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For one thing, the geological record indicates this site
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Secrets of the Underground

For one thing, the geological recordindicates this site, now 40ft underwater,may have been...

For one thing, the geological record
indicates this site, now 40ft underwater,
may have been on dry land for a millennia
after humans arrived here

Full Transcript

00:00:01.000 --> 00:00:04.012
For one thing, the geological record indicates this site,
00:00:04.002 --> 00:00:07.006
now 40ft underwater, may have been on dry land
00:00:07.068 --> 00:00:09.092
for a millennia after humans arrived here.
Duration
10 seconds
Views
17
Timestamp in Movie
00:34:58
Uploaded
Jul 12, 2025
Season
1
Episode
8
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 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 • E07 It may seem a bit unbelievable, - Secrets of the Underground 00:06
It may seem a bit unbelievable,
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 • 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?
S01 • E02 According to Jarrod, using rocks mixed with soil - Secrets of the Underground 00:13
According to Jarrod, using rocks mixed with soil
S01 • E07 I have never seen anything Like this in my whole life. - Secrets of the Underground 00:04
I have never seen anything Like this in my whole life.
S01 • E01 John tells me that earthquakes can reshape the land in various ways. - Secrets of the Underground 00:06
John tells me that earthquakes can reshape the land in vario...
S01 • E07 There are two stone chambers On the gungywamp grounds. - Secrets of the Underground 00:04
There are two stone chambers On the gungywamp grounds.
S01 • E01 They can cause the earth to crack open, - Secrets of the Underground 00:07
They can cause the earth to crack open,
S01 • E07 To early christian chapels On the emerald isle. - Secrets of the Underground 00:04
To early christian chapels On the emerald isle.
S01 • E02 Not for burials, but quite possibly to worship the serpent. - Secrets of the Underground 00:05
Not for burials, but quite possibly to worship the serpent.