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Are these ruins harboring An incredible secret?
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Secrets of the Underground

Are these ruins harboringAn incredible secret?

Are these ruins harboring
An incredible secret?

Full Transcript

00:00:01.000 --> 00:00:04.199
Are these ruins harboring An incredible secret?
Duration
4 seconds
Views
17
Timestamp in Movie
00:23:43
Uploaded
Jul 13, 2025
Season
1
Episode
7
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 • E08 Some even believe they can decipher a man-made carving - Secrets of the Underground 00:06
Some even believe they can decipher a man-made carving
S01 • E03 And team geologist Paki Stephenson - Secrets of the Underground 00:08
And team geologist Paki Stephenson
S01 • E02 I can't tell if the tunnel behind this door - Secrets of the Underground 00:12
I can't tell if the tunnel behind this door
S01 • E07 To detect details that haven't Been seen in centuries. - Secrets of the Underground 00:04
To detect details that haven't Been seen in centuries.
S01 • E03 Water was leaking out through four large funnels at the bottom. - Secrets of the Underground 00:05
Water was leaking out through four large funnels at the bott...
S01 • E08 For starters, if this is man-made, how did it get 40ft underwater? - Secrets of the Underground 00:06
For starters, if this is man-made, how did it get 40ft under...
S01 • E03 We set up on a pontoon boat, - Secrets of the Underground 00:06
We set up on a pontoon boat,
S01 • E08 And even more perplexing, what exactly is it? - Secrets of the Underground 00:04
And even more perplexing, what exactly is it?
S01 • E01 In all directions, as far as the eye can see, - Secrets of the Underground 00:06
In all directions, as far as the eye can see,
S01 • E03 Somewhere out here are those old vents. - Secrets of the Underground 00:05
Somewhere out here are those old vents.
S01 • E07 In groton, connecticut, - Secrets of the Underground 00:05
In groton, connecticut,
S01 • E03 And what we want to do first - Secrets of the Underground 00:05
And what we want to do first
S01 • E08 To probe these mysteries, - Secrets of the Underground 00:06
To probe these mysteries,
S01 • E01 Are they man-made, - Secrets of the Underground 00:08
Are they man-made,
S01 • E02 Some believe there is a vast government conspiracy playing out beneath Denver, - Secrets of the Underground 00:12
Some believe there is a vast government conspiracy playing o...
S01 • E03 We wanna scour the bottom for different areas - Secrets of the Underground 00:05
We wanna scour the bottom for different areas
S01 • E08 By deploying state-of-the-art technology that can capture - Secrets of the Underground 00:07
By deploying state-of-the-art technology that can capture
S01 • E03 Paki here thinks he has an idea where it is. - Secrets of the Underground 00:04
Paki here thinks he has an idea where it is.
S01 • E01 These mounds are one of the greatest unsolved mysteries - Secrets of the Underground 00:06
These mounds are one of the greatest unsolved mysteries
S01 • E02 I've found clues pointing to highly sensitive secret tunnels - Secrets of the Underground 00:07
I've found clues pointing to highly sensitive secret tu...