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But all those strange symbols
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Secrets of the Underground

But all those strange symbols and that rogue guard who approachedme claiming he knows...

But all those strange symbols and that rogue guard who approached
me claiming he knows about a secret subterranean realm,
got my attention

Full Transcript

00:00:01.000 --> 00:00:02.008
But all those strange symbols
00:00:02.088 --> 00:00:06.024
and that rogue guard who approached me claiming he knows about
00:00:06.032 --> 00:00:09.044
a secret subterranean realm, got my attention.
Duration
9 seconds
Views
34
Timestamp in Movie
00:19:13
Uploaded
Jul 09, 2025
Season
1
Episode
2
Genres
documentary

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Movie Summary

Using cutting-edge technologies such as ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D imaging, scientists research fascinating underworlds of secret tunnel networks, ancient structures, and bizarre g...
S01 • E03 Janet believes they probably perished soon after. - Secrets of the Underground 00:04
Janet believes they probably perished soon after.
S01 • E08 And as you can see, it's just a 2-D paper map...that's been scanned. - Secrets of the Underground 00:06
And as you can see, it's just a 2-D paper map...that�...
S01 • E01 This is an awesome room. This is the Rathskellar. - Secrets of the Underground 00:05
This is an awesome room. This is the Rathskellar.
S01 • E07 So, could this one be A similar harbinger of doom? - Secrets of the Underground 00:05
So, could this one be A similar harbinger of doom?
S01 • E03 But without their physical remains, we may never know - Secrets of the Underground 00:08
But without their physical remains, we may never know
S01 • E01 Fun fact: Rathskellar is a German word for subterranean beer hall. - Secrets of the Underground 00:05
Fun fact: Rathskellar is a German word for subterranean beer...
S01 • E02 Then, under the Capitol was a massive off-grid heating system - Secrets of the Underground 00:09
Then, under the Capitol was a massive off-grid heating syste...
S01 • E07 Is coming back to life, - Secrets of the Underground 00:08
Is coming back to life,
S01 • E08 So, this is on top, as best we could, the geographic location of where Alcatraz is now - Secrets of the Underground 00:09
So, this is on top, as best we could, the geographic locatio...
S01 • E03 Based on what she's seen in the existing skulls, - Secrets of the Underground 00:07
Based on what she's seen in the existing skulls,
S01 • E01 On one occasion, he was sitting at the bar - Secrets of the Underground 00:08
On one occasion, he was sitting at the bar
S01 • E03 And that railroad officials covered up the killings - Secrets of the Underground 00:07
And that railroad officials covered up the killings
S01 • E02 The Internet has all sorts of theories, - Secrets of the Underground 00:05
The Internet has all sorts of theories,
S01 • E08 Then he digitises the contour lines that show elevation. - Secrets of the Underground 00:05
Then he digitises the contour lines that show elevation.
S01 • E01 Oh, really? He'd write notes on cocktail napkins - Secrets of the Underground 00:05
Oh, really? He'd write notes on cocktail napkins
S01 • E08 Those each have an assigned value, - Secrets of the Underground 00:09
Those each have an assigned value,
S01 • E02 So I'm heading for one more focal point - Secrets of the Underground 00:08
So I'm heading for one more focal point
S01 • E07 So, we, basically, From that other peak scouted. - Secrets of the Underground 00:04
So, we, basically, From that other peak scouted.
S01 • E01 So Al Capone would have come down through here, in theory? - Secrets of the Underground 00:04
So Al Capone would have come down through here, in theory?
S01 • E03 Because they absolutely have a mandate, - Secrets of the Underground 00:09
Because they absolutely have a mandate,