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Could that be what's happening with these rocks
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Secrets of the Underground

Could that be what'shappening with these rocks right here in Lake Michigan?

Could that be what's
happening with these rocks right here in Lake Michigan?

Full Transcript

00:00:01.000 --> 00:00:03.002
Could that be what's happening with these rocks
00:00:03.028 --> 00:00:05.028
right here in Lake Michigan?
Duration
5 seconds
Views
19
Timestamp in Movie
00:37:46
Uploaded
Jul 09, 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 • E02 So, what we're doing right now - Secrets of the Underground 00:05
So, what we're doing right now
S01 • E07 Of kind of an irish background To that particular site. - Secrets of the Underground 00:06
Of kind of an irish background To that particular site.
S01 • E08 When images of our underwater rocks are compared with the Medicine Wheel, - Secrets of the Underground 00:08
When images of our underwater rocks are compared with the Me...
S01 • E02 Here is today's data added on to what we had already done, - Secrets of the Underground 00:08
Here is today's data added on to what we had already do...
S01 • E01 You do have a very clear boundary, - Secrets of the Underground 00:10
You do have a very clear boundary,
S01 • E08 Not only does the Medicine Wheel have 28 axes - Secrets of the Underground 00:14
Not only does the Medicine Wheel have 28 axes
S01 • E02 Oh, wow. And we can see the shape of the head of the serpent there. - Secrets of the Underground 00:05
Oh, wow. And we can see the shape of the head of the serpent...
S01 • E07 Up until even the mid-20th Century out there. - Secrets of the Underground 00:04
Up until even the mid-20th Century out there.
S01 • E02 The magnetometer hasn't turned up any evidence of burnt soil - Secrets of the Underground 00:11
The magnetometer hasn't turned up any evidence of burnt...
S01 • E03 The question is, what's going on beneath this rocky ridge? - Secrets of the Underground 00:05
The question is, what's going on beneath this rocky rid...
S01 • E03 I need a way to peer deep underground, - Secrets of the Underground 00:07
I need a way to peer deep underground,
S01 • E08 So it seems unlikely this hexagon of six rocks - Secrets of the Underground 00:06
So it seems unlikely this hexagon of six rocks
S01 • E01 So here we'd say there are far more particles that are small - Secrets of the Underground 00:06
So here we'd say there are far more particles that are ...
S01 • E07 From the period, it's probably A javelin or dart tip. - Secrets of the Underground 00:04
From the period, it's probably A javelin or dart tip.
S01 • E02 Another part of the serpent not visible above ground. - Secrets of the Underground 00:04
Another part of the serpent not visible above ground.
S01 • E03 He has some sophisticated tech - Secrets of the Underground 00:08
He has some sophisticated tech
S01 • E07 There are some fascinating Ancient finds here, - Secrets of the Underground 00:06
There are some fascinating Ancient finds here,
S01 • E08 The story behind these stones still eludes me, - Secrets of the Underground 00:07
The story behind these stones still eludes me,
S01 • E01 Then the bottom. - Secrets of the Underground 00:04
Then the bottom.
S01 • E07 Could have been lost Or overlooked. - Secrets of the Underground 00:04
Could have been lost Or overlooked.