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If the boulder field does extend
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Secrets of the Underground

If the boulder field does extend all the way downbeneath the lake bottom, it could offer...

If the boulder field does extend all the way down
beneath the lake bottom, it could offer an escape path
for the water through the ridge

Full Transcript

00:00:01.000 --> 00:00:03.028
If the boulder field does extend
00:00:03.036 --> 00:00:05.008
all the way down beneath the lake bottom,
00:00:05.088 --> 00:00:09.008
it could offer an escape path for the water through the ridge.
Duration
10 seconds
Views
16
Timestamp in Movie
00:38:56
Uploaded
Jul 09, 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 • E02 And could this coil be a clue about the strange site's true purpose? - Secrets of the Underground 00:05
And could this coil be a clue about the strange site's ...
S01 • E02 I need to keep digging for answers, - Secrets of the Underground 00:09
I need to keep digging for answers,
S01 • E01 Then simulate seismic activity by shaking them up. - Secrets of the Underground 00:06
Then simulate seismic activity by shaking them up.
S01 • E03 But if we find only bedrock, - Secrets of the Underground 00:11
But if we find only bedrock,
S01 • E07 We know there's Surveyors marks out there, - Secrets of the Underground 00:04
We know there's Surveyors marks out there,
S01 • E08 If you look at this and you start sketching it, - Secrets of the Underground 00:08
If you look at this and you start sketching it,
S01 • E02 Brad has uncovered numerous artefacts at historical sites around the area. - Secrets of the Underground 00:06
Brad has uncovered numerous artefacts at historical sites ar...
S01 • E01 Smaller rice kernels filter down into the spaces created by jostling, - Secrets of the Underground 00:07
Smaller rice kernels filter down into the spaces created by ...
S01 • E07 Now that we have rti, - Secrets of the Underground 00:06
Now that we have rti,
S01 • E08 Unbelievable! A mastodon carving on a rock - Secrets of the Underground 00:08
Unbelievable! A mastodon carving on a rock
S01 • E02 I'm hoping some of these priceless antiquities - Secrets of the Underground 00:07
I'm hoping some of these priceless antiquities
S01 • E07 And try to look back In the literature, - Secrets of the Underground 00:05
And try to look back In the literature,
S01 • E03 My job in this experiment is to create a mini-earthquake. - Secrets of the Underground 00:05
My job in this experiment is to create a mini-earthquake.
S01 • E01 So with all the earthquakes - Secrets of the Underground 00:10
So with all the earthquakes
S01 • E03 Rob is hitting a steel plate with the sledgehammer - Secrets of the Underground 00:07
Rob is hitting a steel plate with the sledgehammer
S01 • E02 And I've got a couple of objects back here - Secrets of the Underground 00:09
And I've got a couple of objects back here
S01 • E08 Mastodons are an ancient ancestor of elephants and woolly mammoths. - Secrets of the Underground 00:05
Mastodons are an ancient ancestor of elephants and woolly ma...
S01 • E07 That could have Ancient irish origins, - Secrets of the Underground 00:06
That could have Ancient irish origins,
S01 • E01 It looks like exactly the opposite has happened. - Secrets of the Underground 00:05
It looks like exactly the opposite has happened.
S01 • E08 They were one of the largest land animals ever to roam North America, - Secrets of the Underground 00:09
They were one of the largest land animals ever to roam North...