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Secrets of the Underground

To try to answer these questions, I'm meeting up witha pair of specialists

To try to answer these questions, I'm meeting up with
a pair of specialists

Full Transcript

00:00:01.000 --> 00:00:02.064
To try to answer these questions,
00:00:02.072 --> 00:00:05.036
I'm meeting up with a pair of specialists.
Duration
5 seconds
Views
14
Timestamp in Movie
00:23:32
Uploaded
Jul 13, 2025
Season
1
Episode
3
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 • E07 That it was built almost 1,000 years before columbus. - Secrets of the Underground 00:04
That it was built almost 1,000 years before columbus.
S01 • E01 Just outside Olympia, Washington, sits an almost otherworldly site... - Secrets of the Underground 00:05
Just outside Olympia, Washington, sits an almost otherworldl...
S01 • E03 Geophysicist Tim Bechtel, - Secrets of the Underground 00:09
Geophysicist Tim Bechtel,
S01 • E07 What this reminds me of is Some sort of medieval structure. - Secrets of the Underground 00:05
What this reminds me of is Some sort of medieval structure.
S01 • E01 ..a sprawling plain covered by earthen mounds, - Secrets of the Underground 00:09
..a sprawling plain covered by earthen mounds,
S01 • E07 Are these ruins harboring An incredible secret? - Secrets of the Underground 00:04
Are these ruins harboring An incredible secret?
S01 • E03 And team geologist Paki Stephenson - Secrets of the Underground 00:08
And team geologist Paki Stephenson
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 • 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,