- Tonight... <i> on "The Lost Gold
of World War II."</i> - There was a waterfall and something that looked
like a monkey head behind the waterfall. - I want to scour every vertical
face on this waterfall. Holy [ bleep ]! - We'll just strip
away the vegetation without even hurting
a single leaf. It's like digital napalm. - Unfrickin' real. You could fit 30,
40 people in here. Holy crap. There's markers
on these rocks. <i> - For 70 years,
legends have been told</i> <i> of a buried treasure</i> <i> shrouded in danger.</i> <i> One of the great mysteries
of World War II.</i> - Something very
secretive and strange has gotta be buried
in that mountain. <i> - A covert operation</i> <i> led by the notorious
General Tomoyuki Yamashita.</i> <i> Now a team of Americans
is on the hunt</i> <i> for this lost chapter
in World War II history.</i> - There's something
right here in this area. - The question we
have right now is, what is the best way to get
inside this mountain? - If you go there,
you will all die. - The Japanese didn't
want you to find the treasure. We're not gonna give up. - We moved some dirt here. <i> - Peter Struzzieri
and his partner, John Casey,</i> <i> are at the site of Breach 6,</i> <i> a large shaft they located</i> <i> after a tip from Grandpa,
the local farmer,</i> <i> who says he saw
Japanese soldiers</i> <i> carrying mysterious crates
into the mountain</i> <i> during World War II.</i> <i> - Breach 6 was allegedly dug</i> <i> by unknown treasure hunters</i> <i> attempting to find
a concrete tunnel system</i> <i> where Yamashita's men
may have hidden these crates.</i> <i> - Grandpa says this poison
killed the people</i> <i> who dug Breach 6.</i> - Let's get the excavator
in here and tear it up. Let's see what
that's made out of. <i> - Now, with Breach 6
opened up from the side</i> <i> to vent possible poison gas,</i> <i> heavy equipment operator
Brad Carr</i> <i> will dig straight
toward what they hope</i> <i> is a concrete cap that may
be sealing a side tunnel</i> <i> dug by Yamashita and his men.</i> - John, you still there? - Yeah, I gotcha, go ahead. - What are you seeing? It's certainly noy flaking off
like concrete. - It's like... maybe like sand
or coagulated mud. I'm gonna pull back so we can
take a look at it. Certainly doesn't look like
concrete, bro. - Oh, man, check this out. - Looks like clay or a silt. - Silt.
It's like silt. It's dried silt. Look at that. - We decided to dig
into this concrete cap, and lo and behold,
it's not concrete at all. It's some sort
of silty material. We expected to find concrete,
didn't. It's kinda disappointing,
you know. There's no side tunnel. But if it's not concrete, how did it get there? What happened in Breach 6? - Look at that,
and look at how easy it went in! Look at how sandy
that ledge is where I took the scoop,
and I could only pull back. - How the hell would
silt get in here? - It was possibly deposited
by water at one point. <i> - Evidence of silt suggests
a large volume of water</i> <i> once filled Breach 6.</i> - It's one more piece
of our puzzle. <i> - One plausible explanation
is that over many years,</i> <i> rainwater washed silt
down into Breach 6,</i> <i> but there's one problem--</i> <i> the silt is only concentrated
in part of the shaft</i> <i> as if it entered
from the side.</i> <i> There's another
possibility--</i> <i> a water trap
deliberately planned</i> <i> by Yamashita's engineers.</i> <i> In 2016,</i> <i> three men searching another
site in the Philippines</i> <i> died when the shaft
they were digging</i> <i> suddenly filled with water.</i> <i> It's alleged that Yamashita
chose to bury treasure</i> <i> near water sources.</i> <i> Water would be contained
behind a thin wall,</i> <i> and if treasure hunters
breached it,</i> <i> a flood of water
would be released.</i> - If it's possible that
this is a water trap, we really don't want
to screw with that. Break through that silt, a gusher could come in and fill this all up
completely. - Breach 6 seems to be laced
with booby traps. Grandpa said that some people
died down there. We found a possible
cyanide bottle. It is a bottle.
Look at it! Possible evidence
of water traps. I think we need
to find another way of getting into the mountain. <i> - With further exploration
of Breach 6 on hold,</i> <i> Peter and John
return to base camp</i> <i> to discuss their next move.</i> - You know, we never
would have found Breach 6 without Grandpa's help. Pete, we've really got lucky. I mean, if this hole wasn't
right next to the pyramid, there's no way we
would have found this, except for falling
into it by accident. - What about that road
that you were following where there was
the collapsed area? - These rocks here,
even look at this one here. Look how it's just
shattered to death here? - What about going back there? That was over here someplace. - We'll never get
an excavator up there. Try to dig it by hand,
it will take us forever. - Okay, so where else can we go? - Well, look at this place. I mean, like I said,
it's just so densely packed with vegetation. You know,
no one's been up there since the Japanese were here. There's not a road,
there's nothing. You can't see anything.
- Yeah, I know, I can see that. - You know, even a regular drone couldn't see through the canopy. I mean, you look up,
you don't see any of the sky. You just see leaves. - There could be hundreds
of treasure sites here. There could be thousands
of clues. - I agree.
- On this whole mountain here. What do you think the best
way is to find those? - I'm thinking about LiDAR.
- LiDAR? - It's called LiDAR,
Light Detection and Ranging. <i> - LiDAR is a highly accurate
aerial scanning method</i> <i>that uses pulses of laser light
to measure the ground</i> <i> and create
a 3D map of the earth.</i> <i> First developed by
the American government,</i> <i>LiDAR burst onto the world stage</i> <i> during the 1971 Apollo 15
lunar mission</i> <i> when astronauts used it to map
the surface of the moon.</i> <i> Now the team hopes
the same technology</i> <i>can help them scan the mountain</i> <i> and reveal additional
treasure sites</i> <i> not visible to the naked eye.</i> - We'll see the land, we'll see all
the elevation changes, all the boulders,
all the rocks, waterfall features,
everything. - You know anyone
that can help us with this? - Yeah, I got a couple
of friends in the States. I'll give them a call. I'm sure we can get them
out here pretty soon. - Give them a call.
Make that happen. Let's get someone out here. <i> - While John
makes arrangements</i> <i> for a LiDAR team
to visit the mountain,</i> <i> he also arranges for
the team's head researcher,</i> <i> Bingo Minerva, to meet
with one of his contacts</i> <i> who has also searched
for Yamashita's treasure.</i> - I am in Northern Idaho
on my way to meet a gentleman named Rick Hurt,
who was a treasure hunter in the Philippines
about 20 years ago. I'm hoping he has any
information about our site. Hey, Rick. - Yeah, you must be Bingo. - Good to finally meet you.
- It is nice to meet you. - I've come a long way.
Thanks for taking the time. - Yeah, no problem, man. <i> - Two decades ago,
Rick was part of a group</i> <i> searching for treasure
in Northern Luzon</i> <i> and may have some
information</i> <i> about who dug
the mysterious Breach 6.</i> - So, how did you get
involved in treasure hunting in the Philippines? - I was working for
a State Department official that was in Manila. I was offered an opportunity to go to the Philippines for a base metal project. While I was looking
for the base metals, I had people coming to me, "Are you interested in gold?
Are you looking for gold?" Then I found out about
Yamashita's gold, you know. And then it started to get more
and more interesting. I thought, "Well I'm here. Maybe I should check
into some of this." And about that time,
I was introduced to a man named Colonel Coriasso. <i> - According to Rick,</i> <i> he worked with Coriasso</i> <i> whom at the time
was a Filipino colonel</i> <i> helping the Philippine
government</i> <i>search for Yamashita's treasure</i> - He had a map, and it was
on a piece of cloth. I mean, it--
- Fairly old? - It looked really old. It had some symbols that I
didn't recognize at all. - But definitely
Japanese origin. - Yes. <i> - According to Rick,</i> <i> Colonel Coriasso's mission</i> <i> was guided by
an old treasure map</i> <i> that depicted
mysterious symbols</i> <i> known to have been used
by General Yamashita.</i> <i> It is believed these symbols
were a code devised</i> <i> by a secret group
called The Golden Lily,</i> <i> a name chosen
by Emperor Hirohito</i> <i> after a favorite poem
he'd written.</i> <i> Run by his brother,
The Golden Lily</i> <i> allegedly amassed treasure
looted throughout Asia</i> <i> in territories conquered
by the Japanese Army.</i> <i> When the U.S. Navy
shut down shipping to Japan,</i> <i> The Golden Lily
supposedly charged</i> <i> General Yamashita
with hiding it.</i> - Could this have been
a Golden Lily map? - I'm pretty sure, yeah. On the map it had
a creek and a waterfall, and, uh, a pyramid rock. - Really? That's one of the reasons
why I'm here today. We have a pyramid rock
on our project. So, is this the pyramid
that you saw? - Yeah, that is the pyramid
I saw. - It sounds like you were
on our exact same mountain. - Well, that's really
interesting. <i> - In Idaho, head researcher
Bingo Minerva</i> <i> meets with Rick Hurt,
a contact of John Casey's</i> <i> who confirms he was
treasure hunting</i> <i> on their mountain
20 years ago.</i> - Next to that pyramid rock
is a massive hole. This is what the locals
refer to as Breach 6. - Wow. - Did you dig this hole
next to the pyramid? - That was not there
when I was here. - Do you think Colonel Coriasso could have gone to this site
after you had left? - It's a possibility. <i> - According to Grandpa,</i> <i>others have come to the mountain
in search of treasure.</i> <i> But who actually dug Breach 6
remains a mystery.</i> - There were several
gold locations in that area based on Colonel Coriasso's map. - Do you have a copy
of this map? - I don't, I don't. I wasn't allowed to take
a picture of it. I'll draw it for you,
as close as I can. So, the mountain was up here, and then there was
the pyramid rock... like that. - Were there any trails
at all on the map? - There was a trail over here like it was headed to a tunnel
that had been blasted shut. - That's just like
Grandpa's trail. - It's a pretty damn
wide trail too. Everywhere we look,
just fractured rock. - So what are some other
features on this map that were shown?
I mean, any other markers maybe? - There was a stream
that kinda came this way to a waterfall. And something that looked
like a monkey head-shaped rock behind the waterfall. - You're kidding me.
That's super interesting. - I thought it looked
more like a gorilla. And you could kinda see these
eyebrow-looking things. It was amazing. - Are you sure it was
a gorilla behind a waterfall? - I'm pretty sure, yeah. - Well, that's kind of
a huge lead for us. That's really strange. I wonder if that could
be a Golden Lily marker? I bet the guys are gonna
be really excited hearing about that. I'm sure they're gonna wanna
go explore that option next. <i> - The next day, Bingo
reports back to the team</i> <i> about his meeting in Idaho
with Rick Hurt.</i> <i> - He says that Coriasso
had an old Japanese map,</i> <i> possibly a Golden Lily
treasure map.</i> <i> They had a lot
of things on this map</i> <i> that were similar to the stuff
you guys are finding right now.</i> - What else can you tell us
about this Colonel Coriasso? <i> - Not much.
I've done some research,</i> <i> and so far I haven't
found anything on him.</i> <i> But I'll keep looking.</i> - What about Coriasso's map? <i> - Well, here's the really
weird thing.</i> <i> On that map that Rick
drew for me,</i> <i> he found either an ape
or a monkey face</i> <i> inside a waterfall.</i> - That sounds to me
like that's a face marker. In my treasure-hunting
experience, face markers are
really important because it's either
looking at the treasure, or the next marker to
take you to the treasure. <i> - It is believed
in The Golden Lily Code</i> <i> face markers can be
either human or animal</i> <i> and would be large in size</i> <i> so they could be seen
from great distances.</i> <i> Typically, the eyes were
the most important feature,</i> <i> providing vital hints about
the location of hidden treasure.</i> - This could be our next
most important clue, okay? We need to go
and find that face. - Remember when we did
the flyover in the plane? We saw that huge waterfall. I think that's
the best place to start. We should start at the top
of that waterfall, work our way down. I bet you that face marker
is somewhere in there. - You take Manny,
go up to the waterfall and start searching
around there. Find me that gorilla marker. - All right.
I'll get Manny. We'll get goin' right now. I think the best thing to do is
to go down the waterfall, check every single
nook and cranny and find this gorilla face. I wanna scour every inch
of this waterfall. I want to see this face. I want to know
it's the real deal. Ready to rock and roll, Manny. - Doing good.
Doing good! - I'm gonna go down
a little lower. - What are you seeing? - It definitely looks
like it's a lot smoother than the rest of the rocks here. It's hard to say. There's a lot of vegetation
blocking it. I'm gonna see if I can get
a little closer. But it's so slimy over there, I don't know if I
can get out there. I think I see like a-- [ cracking ]
Holy [ bleep ]! Holy smokes! It's okay. It's okay.
It's okay. I'm good.
I'm good. I've been rock climbing
for a lot of years, but once you get yourself
out on waterfalls, it's really slippery,
really dangerous. One wrong move,
you could die. Hold on a second. You know, the rock that
all the water is hitting is actually looking like
it was carved out, to some extent. It looks like it has, like,
an eye socket carved in it. - Wow. - I want to take
a picture of it. Let me go down a little lower
and see if I can see what it is. - All right. - Look at that! - What does it look like? - Like a gorilla's head. That's carved in there. That's the one, Manny! <i> - High up the mountain
at the waterfall,</i> <i> U.S. researcher Bingo Minerva,</i> <i> fom</i> <i> John Casey has discovered
what he believes</i> <i> to be the face of a gorilla
carved into the rock wall.</i> <i> And where its eyes
are looking</i> <i> may possibly lead him
to Yamashita's treasure.</i> - As I look into the waterfall, I see some type
of carving in it. Looks like somebody
chiseled a face into it. It looks good. I can actually see
that the gorilla-- it actually looks
like a carved gorilla. It's got a definite eye socket
and a face. A brow. It's definitely got a brow,
and an eye socket. - Which way is it looking?
- It's hard to say. There's a lot of vegetation
blockin' it. I'm gonna try to swing
over towards this vegetation, see if I can get a look around
the other side of it. - All right, let me know
if you need anything. - I'm trying to get out
where his eyeball was looking over there. But it's so damn slippery
that I'm gonna kill myself. - We don't want that.
- No. I want to avoid that. Manny, take up the line. - All right, John.
[ laughs ] - Thank you, sir. Manny, this waterfall
is hiding something. We just gotta figure out
what it is. <i> - John heads back to base camp</i> <i> to share his findings
with the team.</i> - So, how'd it go
up at the waterfall? - Well, I have to say,
it was pretty hairy. It's very slippery up there. You can't really manipulate
yourself as much as you'd like. But I was able to rappel down
and actually found the gorilla. - Oh, ho, ho!
Look at that. That's just super. - If that ain't
a gorilla's face, I don't know what is. Now the problem was, is that, A) there's a lot of water
coming down, everything as soon as
it's wet. - I see the water coming,
coming all around. What was that? - Well, it looks like
teeth to me, the teeth and maybe the nose, and then the brow of the head. You can see kind of
like a little-- where his brow would be
and his eye socket. - Can you tell me which
way the eyes were looking? - You know,
it's really hard to say because there was so much
water flowing over there and it was so slippery. Once your boots got wet,
forget it. You were--it was like
being on marbles. It was kinda scary. - How do you want to proceed
with this here? - I think we should still
look around the waterfalls and everything else, but I'm not goin'
back up to this area until it's totally dry
or this weather calms down. You really--you can't
explore this any more until the dry season. <i> - Following the advice
of their eyewitness, Grandpa...</i> - What should I look for? <i> - ...the team has found
several symbols</i> <i> that, according to Martin,</i> <i> coincide with
The Golden Lily code--</i> <i> A pyramid,</i> <i> a set of box markers
next to Breach 6,</i> <i> a pack animal trail leading
to a possible collapsed tunnel,</i> <i> as well as a possible
gorilla face marker.</i> <i> But the team has yet
to find a viable way</i> <i> inside the mountain.</i> <i> To help with their search,
the LiDAR team arrives</i> <i> to conduct its aerial scan
of the 5,000-foot mountain</i> <i> and hopefully reveal
a potential opening.</i> - Hey, guys. Welcome to the jungle.
- How you doing? - Good. Yourself?
- Good to meet you. - How was your ride? I'm super excited
to have you guys here. - Yep, we're ready to go.
- Absolutely. - All right.
Let's get stuff done. - Jamie and his team
wrote the book on this type of technology. What they will show us
will be invaluable to what we do
on this mountain. There's so many places
on this mountain that the Japanese
could have potentially buried treasure
or brought treasure to. And having that LiDAR here is key to getting
into the mountain. <i> - According to Grandpa,</i> <i> the Japanese army hid crates
inside treasure vaults</i> <i> and then blasted
the entrances closed.</i> <i> By scanning the jungle floor,</i> <i>the LiDAR technology will detect
traces of roads and pathways</i> <i> that existed generations ago,</i> <i> possibly used
by Yamashita's men</i> <i>to haul treasure up the mountain
during World War II.</i> - So, if it's here,
we'll see it with that. <i> - A sensor
with 360-degree vision</i> <i> is mounted beneath
the drone.</i> <i> As it flies, it fires rapid
pulses of laser light</i> <i> toward the ground,</i> <i> and then measures
how long it takes</i> <i> for the light
to return to the sensor.</i> <i> Collecting millions
of measurements per second</i> <i> enables the LiDAR to produce
a 3D map of the area.</i> <i> The goal?</i> <i> Reveal what could lie
beneath the dense foliage.</i> - We'll just strip
away the vegetation without even hurting
a single leaf. - Nice. - It's like digital napalm. - All right, it's spinning up. All right, taking off. Right now we're at 150 feet. <i> - When the drone reaches
its cruising altitude,</i> <i> the LiDAR begins
scanning the mountain</i> <i> gathering the data
for its 3D map.</i> - Is that a road going across
the top over there? - Yep, that's a road.
- Wow. Scan the whole thing. I want to see everything. Don't miss a spot. I want to see where the Japanese
actually drove their trucks or had their encampments. Show me something really good. <i> - High on the mountain,</i> <i> the LiDAR team continues
their aerial scan,</i> <i> searching for old trails</i> <i> leading to concealed
tunnel entrances</i> <i> where General Yamashita
is believed to have hidden</i> <i> treasure during World War II.</i> - Man, that was
pretty awesome, huh? Just imagine all that data
we're gonna get. - I need you guys to step back. - Nice job! Thank you. - Well, we just used the best
technology on the planet, and the data they provide
with their LiDAR is gonna certainly come in handy and help us find this treasure. <i> - Later that day
back at base camp,</i> <i> the LiDAR team is ready
to share their results--</i> <i> a digital map of the surface
of the mountain</i> <i>with all the vegetation removed.</i> - Show us what you got. - So, this is the surface model we have with all the vegetation
in the way. - That's a lot of vegetation.
- There's a lot of it. And I will turn off
that vegetation. - Ooh, look at that!
That is sweet! - So this is
the bare earth model. This is just ground. - That's unbelievable. You can see all the nooks
and crannies, every elevation,
every little run-off area. This is just awesome. - So, if you think
this is impressive, I actually took the time to digitize all the trails
that I found. Let me bring that up. - A-ha.
- Holy moly! - There are the trails in there. - That is more
than I even anticipated we were gonna see.
That is just unreal. There's a hell of a lot
of trails and roads possibly all over this mountain
that we couldn't see before. The possibility of Yamashita's
treasure being here, based on just
what we're seeing, is phenomenal. So those trails, either if they were
foot trails or footpaths, they just go up into the
mountain and...they stop. Why would it just
dead-end somewhere, especially into the side
of a hill? - This right here
could be a cave entrance. - What makes you
think that it's a cave based on just
what we're seeing? - How the path that
goes up to it, like right here, there's a depression
right here. We have to go up there
and look at it to try to really understand
what's going on there. - It looks like it's
actually like the entranceway to something. - Yep, it looks like in that
you could probably get in there. - If there's a possibility that there is a pathway
dead-ending at a cave, I want to see it. I'm taking Jamie,
we're going up there, we're gonna find it. <i> - Using the LiDAR map,</i> <i> technician Jamie leads John</i> <i> to what they believe
is the cave's location.</i> - Oh, yes. This looks like the entrance! So happy that LiDAR
picked this up. Probably taken us months
to find this on our own, it's so buried back in here. Unfrickin' real. - Oh, yes! Look at the size
of this rock. I mean, holy crap. Yeah, it's frickin'--
you could fit 30, 40 people in here. - Look at the amount
of soot on the ceiling. - Oh, yeah. - They were making
some fires in this place, for sure, for a while. <i> - Initially,
the cave seems ordinary,</i> <i> but after inspecting
it further,</i> <i> John believes it might
house important clues.</i> <i> Utilizing caves
like this is typical</i> <i> of Japanese military tactics
in World War II.</i> <i> During the Battle
of Peleliu in 1944,</i> <i> the U.S. Marines
amphibious assault</i> <i> of the small volcanic island</i> <i> was predicted to take
only five days,</i> <i> but it lasted
more than two months.</i> <i> because the 11,000 Japanese
defenders bunkered down</i> <i> in the island's natural
system of caves.</i> <i> More than 10,000 Japanese
soldiers were killed</i> <i> before it was over.</i> <i> A group of 35
managed to hold out</i> <i> for an additional
18 months living in a cave,</i> <i> only surrendering in 1947,</i> <i> a full year and a half
after World War II ended.</i> - You just imagine, you know, they had a back door
entrance here. They got clean water
access over there. You can go bathe
in the creek. You got a good
defensive position because you can climb up
onto the top of this rock from the back side
and look out over the valley, see if anybody's coming. And then there's--you know,
got plenty of room in here. - Well, John, we're not
just gonna come in here and see a big treasure
like, laying here, so like, where do you
think it is? - Could be underneath
this giant boulder under here. And, you know, the way
they've set things up, these big rocks and stuff,
you move one out of the way, another one comes crashing down and you're here forever. Like this rock that's
balanced underneath here, it's kinda wedged in. So, they could have moved these
and put them in place. Holy crap. There's markers on these rocks. See? A couple of carvings
right there. I start looking
around the cave. I do a little further
investigation and right around the corner, there is the most
amazing carvings, Japanese carvings, Japanese markers
all over the place. Look at that! I'm in love with this place. I never wanna go
anywhere else. - That's super cool. There's a couple
of carvings right there. - That is fricking unbelievable. Definitely a great indicator that they were burying
something around here. Wow, this is unbelievable. I love it, love it, love it. Dude, that's [ bleep ] amazing. If you look at it through
the camera, you know, it actually starts
becoming a marker. <i> - John thinks these
carvings seem similar</i> <i> to symbols he studied</i> <i> allegedly used
by The Golden Lily</i> <i> to designate one
of their treasure sites.</i> - If I look close
at the scratch mark, I can see the edges of where it's actually
been scratched down, as opposed to like a lot
of these chip marks in it that are
just chipped off. So that's giving me some
indication that it's a marker. The more I look at it here, I see a lot of this could be
old Japanese carving in here. Look at the intricacy
of what they've done here. The carvings on this rock
are amazing. We really need Martin
to take a look at this and tell us what's going on. Is this cave connected
to the tunnel system? Is there treasure in it? What's this rock trying
to tell us? I'm gonna get a picture
of this for the boys and they are gonna
be super stoked. <i> - Back at base camp,</i> <i> John updates Peter and Martin
about his discovery.</i> - If we hadn't had
this LiDAR data, we would've never found it. You could walk right
past the opening to the front side of it and-- and just walk right by it
and not even know it was there. So, you know, it could've
been a great lookout point or an outpost
for the Japanese. - What was inside the cave? - Inside the cave
was really interesting. There was this huge rock
as you come in, and on that rock had different
cut lines and cut marks, and markers
all over the damn thing. - Did you take
any pictures of it? - I did.
- And how big is this rock? - This rock is massive. You can see just by this--
it's a big picture. This isn't even half the rock. - You have found
something very important. In my opinion,
this is a story rock. This could be the key
to Yamashita's treasure. <i> - Story rocks, or "rock maps",</i> <i> are a common way to preserve
a hidden treasure's location</i> <i> long after those who buried it
have passed away</i> <i> and maps have disappeared.</i> <i> Unlike other markers
the team has found,</i> <i> like the pyramid rock</i> <i> or the gorilla face,</i> <i> markers which seem to have
specific meaning,</i> <i> this story rock is not meant
to be easily interpreted.</i> <i> Like cracking
a secret code,</i> <i> it will require
work to decipher.</i> - So, Martin, you've seen
rocks like this before? - Yes, I've seen a bunch
of them like, yeah. - Like where? - Down in Arizona,
carved in there, some from the Indians, some from the Spanish. And they're telling a story
of that general area and telling you how
to go to the treasure. Now this is gonna be all
probably Japanese, but-- - So, this was like
a treasure map, then. - Treasure map, and you got a story
going along with it. So, you've gotta
decipher all of it to come out and get
what you need out of it. It's gonna be a little more
of a chore than you think. So we've got an awful lot
of work to do right there just to figure out
what it's gonna say. - You're definitely
onto something. You know, you need to go
back there with Manny. - Okay. <i> - The next day,
following Martin's advice,</i> <i> John and Manny head back
to the cave</i> <i> to continue their exploration
of the story rock.</i> - All right, it's a little
sketchy through here. [ grunting ] Okay, so, Manny, this is the cave
that the LiDAR picked out. How about this?
This is the reason... - What is this? - I mean it is just glorious. And even all inside
the rock here, there's all kinds of markers
that are just, you know, now over time blended into the patina
of this rock. And then you have, you know, all these little
markings on here to tell you what might
be buried in here, or around here. And a lot of these symbols
may be telling us which way to go,
how much was buried there, what was buried there, and where along
this track it is. But it's treasure, you know,
some kind of treasure. We have--I brought
in a metal detector too, so, if there was some
big object down below you, you know, eight,
nine, ten feet down, the metal detector will
pick that up right away. [ metal detector beeps ] - I think I'm getting
something here, John. - All right. - Nope, not on this one. - When you get a hit,
you'll know about it. It'll echo through this place
like there's no tomorrow. [ metal detector beeping ] <i> - In a remote cave
high up the mountain,</i> <i>John and Manny's metal detector</i> <i> may have turned up a new clue.</i> - All right, we dump it over
here in our clean zone. [ metal detector beeping ] Right there... - What's that?
- There you go. It's a big rusty nail. It's an old rusty nail. Okay, let's save that. - Go back and scan that section. [ metal detector beeping ]
- Right here. Yep, right there. - Man, that's a big nail. Now swing back over there. - You know, those nails
are a good sign. <i> - Although not the treasure
they're hoping for,</i> <i> the nails seem to bolster
Grandpa's claim</i> <i> about crates being
brought up the mountain.</i> - Boxes? - Hey, Pete, you have a copy? <i> - Yeah, I copy you, John.
Go ahead.</i> - I found some really strange
nails inside this cave. And these nails
are pretty heavy-duty, and, you know,
they could've been, you know, what was holding
together Japanese crates. But they definitely look like
they could be from the war. <i> - Bring back as
many as you can, copy?</i> <i> - It's conceivable
these rusted nails</i> <i> once held together crates</i> <i> filled with Yamashita's
looted treasure.</i> - John's up at the cave
right now, and it appears
that he's found nails. Now we don't know whether
they were building something or whether they were taking
something apart. The nails could be a key factor in us finding the treasure. - Have a look at this, John. - What do you got? - Look at this.
- Oh! - This one right here? - That's a giveaway marker. You know what that means? That means that
this square hole here indicated that there's
a box of gold. There could be a giveaway
right under our feet. That's right. <i> - After years of researching
Yamashita</i> <i> and the Golden Lily symbols,</i> <i> John believes this symbol
could mean a giveaway marker.</i> <i> Giveaway markers
have been discovered</i> <i> at other treasure
sites around the world.</i> <i> A giveaway is typically
a nominal amount of treasure</i> <i> meant to distract the finder</i> <i> from another even
larger amount in the area.</i> <i> If The Golden Lily
followed this practice,</i> <i> it's possible they may have
planted a giveaway deposit</i> <i> with a larger cache hidden
far below it or nearby.</i> - And this is telling
you where and how far from
this rock where it is. If we find something
to stick up in there... here, it's like a little piece
of stick or something. Stick it down in there flush with the rock
and pull it out. So, we got about
an inch of stick. Some generals use centimeters, so, it's like
three centimeters. Each centimeter
would be a meter. If it's three centimeters
equals a meter, then three meters
away from that, pointing out here,
there would be a box of gold. So definitely scan
all the way across here and see if you get any big hit. Hey, Manny.
- Yeah? - Just--I'm just having
an epiphany here. While I'm leaning up
over there, I see this mark, and I'm looking at it
and I see these cut lines in it, right across the edge. But it's also
across from that one that I didn't notice
before on the story rock, which is another marker lining up with
the giveaway marker. So, it's like
a triangulation mark to tell you where to dig. <i> - Triangulation
is a common method</i> <i> of marking a location
of a treasure</i> <i> for future recovery.</i> <i> Three fixed points,</i> <i> usually distinct
rocks or markers,</i> <i> are intentionally arranged</i> <i> in the shape of a triangle.</i> <i> Hidden treasure may
be found within.</i> - Let's see where it would be. So, it's coming from here... - Right.
Out to here. I'm gonna use the shovel just to kind of mark
the edge of it. It's definitely
cut out of there. - Going back to the stick, John?
- Yeah. So, it's given us a
triangulation back to this line. - Yes, it is. - Your treasure
could be right here, in the center
of this triangle. Look at that, Manny. This is a chisel mark
in this thing of an X. Is it a coincidence
that there's an X chisel on top of that [ bleep ] rock? Excuse my French. - What do you think it is? - It's a marker
telling us to get the shovel. We're gonna dig right now. <i> - On the next
"Lost Gold of World War II"...</i> - Somebody call
for a bomb guy? - You're gonna go
into our cave with... - Two sticks,
a straight-bladed knife, and a pair of big balls. - All my years
of treasure hunting, I've never seen
X marks the spot. - Hold, hold, hold!
