To watch in HD, get ClipCafe PRO
At first, I expected this peculiar-shaped formation
Please log in to add to collections.
Secrets of the Underground

At first, I expectedthis peculiar-shaped formation would turn out to bejust a natural...

At first, I expected
this peculiar-shaped formation would turn out to be
just a natural anomaly, but I'm starting to believe
it may be something more

Full Transcript

00:00:01.000 --> 00:00:03.761
At first, I expected this peculiar-shaped formation
00:00:03.841 --> 00:00:06.561
would turn out to be just a natural anomaly,
00:00:06.641 --> 00:00:09.321
but I'm starting to believe it may be something more.
Duration
9 seconds
Views
17
Timestamp in Movie
00:34:48
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 • E03 You could lose a lot of water in a lake like this - Secrets of the Underground 00:07
You could lose a lot of water in a lake like this
S01 • E07 To get a better look, I'm going To deploy a new technology. - Secrets of the Underground 00:04
To get a better look, I'm going To deploy a new technol...
S01 • E01 So could big earthquakes lead to big mounds? - Secrets of the Underground 00:04
So could big earthquakes lead to big mounds?
S01 • E01 I tell John about my findings using the board, hammer and sand. - Secrets of the Underground 00:05
I tell John about my findings using the board, hammer and sa...
S01 • E02 So, stone would make a radar anomaly like that. - Secrets of the Underground 00:05
So, stone would make a radar anomaly like that.
S01 • E03 Enough to offset the inflow from rainfall and runoff - Secrets of the Underground 00:07
Enough to offset the inflow from rainfall and runoff
S01 • E08 For one thing, the geological record indicates this site, - Secrets of the Underground 00:10
For one thing, the geological record indicates this site,
S01 • E03 I think the next step is to get some sort of flow meter in there - Secrets of the Underground 00:07
I think the next step is to get some sort of flow meter in t...
S01 • E02 These findings won't help us determine - Secrets of the Underground 00:08
These findings won't help us determine
S01 • E01 People put steel filings in to make pretty patterns if you shake it, - Secrets of the Underground 00:07
People put steel filings in to make pretty patterns if you s...
S01 • E08 And archaeological evidence suggests this area was inhabited - Secrets of the Underground 00:08
And archaeological evidence suggests this area was inhabited
S01 • E07 I'm in the small town Of groton, connecticut, - Secrets of the Underground 00:05
I'm in the small town Of groton, connecticut,
S01 • E03 What we're gonna want you to do is get this positioned - Secrets of the Underground 00:06
What we're gonna want you to do is get this positioned
S01 • E01 If you shake it, it doesn't just shift in little piles, easily. - Secrets of the Underground 00:05
If you shake it, it doesn't just shift in little piles,...
S01 • E08 But most striking are the images from our ROV camera that show - Secrets of the Underground 00:09
But most striking are the images from our ROV camera that sh...
S01 • E02 Since the majority of the mounds constructed by the Adena - Secrets of the Underground 00:08
Since the majority of the mounds constructed by the Adena
S01 • E01 And you've never seen anything like that from seismic activity? - Secrets of the Underground 00:05
And you've never seen anything like that from seismic a...
S01 • E07 It may seem a bit unbelievable, - Secrets of the Underground 00:06
It may seem a bit unbelievable,
S01 • E03 By measuring the velocity of the fluid over a known area, - Secrets of the Underground 00:09
By measuring the velocity of the fluid over a known area,
S01 • E08 Could this be some of America's oldest artwork? - Secrets of the Underground 00:04
Could this be some of America's oldest artwork?