To watch in HD, get ClipCafe PRO
So, what we can do is drape over the current buildings and topography
Please log in to add to collections.
Secrets of the Underground

So, what we can do is drape over thecurrent buildings and topography

So, what we can do is drape over the
current buildings and topography

Full Transcript

00:00:01.000 --> 00:00:05.048
So, what we can do is drape over the current buildings and topography.
Duration
5 seconds
Views
14
Timestamp in Movie
00:19:50
Uploaded
Jul 13, 2025
Season
1
Episode
8
Genres
documentary

Want This Clip in HD?

Upgrade for HD/4K downloads and unlimited access. Upgrade now →

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 • E01 We're actually one-and-a-half floors underground, - Secrets of the Underground 00:07
We're actually one-and-a-half floors underground,
S01 • E03 And though we may never know for certain what really happened to the workers, - Secrets of the Underground 00:17
And though we may never know for certain what really happene...
S01 • E07 We'll be able to detect If there's liquid underground. - Secrets of the Underground 00:05
We'll be able to detect If there's liquid undergro...
S01 • E08 From here, we can look at Alcatraz and how it's changed. - Secrets of the Underground 00:04
From here, we can look at Alcatraz and how it's changed...
S01 • E02 One of the buildings rumoured to have a tunnel entrance beneath it - Secrets of the Underground 00:06
One of the buildings rumoured to have a tunnel entrance bene...
S01 • E08 This digital model is still a work in progress, - Secrets of the Underground 00:06
This digital model is still a work in progress,
S01 • E02 Yeah, we do have a door down there, - Secrets of the Underground 00:05
Yeah, we do have a door down there,
S01 • E07 To identify variations Beneath earth's surface. - Secrets of the Underground 00:04
To identify variations Beneath earth's surface.
S01 • E08 But I'm hoping it can shed light on those anomalies we found in the dungeon - Secrets of the Underground 00:07
But I'm hoping it can shed light on those anomalies we ...
S01 • E02 I think it used to go to a tunnel, maybe. We don't open it any more. - Secrets of the Underground 00:04
I think it used to go to a tunnel, maybe. We don't open...
S01 • E07 This is a technology That can plot out areas. - Secrets of the Underground 00:04
This is a technology That can plot out areas.
S01 • E08 Could they really be remnants of a legendary escape route? - Secrets of the Underground 00:04
Could they really be remnants of a legendary escape route?
S01 • E03 They died doing hard work, doing their job and making America. - Secrets of the Underground 00:05
They died doing hard work, doing their job and making Americ...
S01 • E01 If you look here, you can see the wood steps on the bottom, - Secrets of the Underground 00:09
If you look here, you can see the wood steps on the bottom,
S01 • E02 OK, watch your head down here, this basement's really old and low. - Secrets of the Underground 00:04
OK, watch your head down here, this basement's really o...
S01 • E07 Tens of thousands of feet deep, - Secrets of the Underground 00:05
Tens of thousands of feet deep,
S01 • E08 All right, so zoom in there a little bit. - Secrets of the Underground 00:04
All right, so zoom in there a little bit.
S01 • E08 In this area underneath the rec yard, - Secrets of the Underground 00:06
In this area underneath the rec yard,
S01 • E07 In deadly Geologic activity here. - Secrets of the Underground 00:04
In deadly Geologic activity here.
S01 • E08 What's going on? Like, are they some sort of tunnels? - Secrets of the Underground 00:04
What's going on? Like, are they some sort of tunnels?