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So it's clear that Stonehenge is a man-made monument
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Secrets of the Underground

So it's clear that Stonehengeis a man-made monument, but the origin of these stonesin Lake...

So it's clear that Stonehenge
is a man-made monument, but the origin of these stones
in Lake Michigan is less obvious

Full Transcript

00:00:01.000 --> 00:00:04.088
So it's clear that Stonehenge is a man-made monument,
00:00:04.096 --> 00:00:09.000
but the origin of these stones in Lake Michigan is less obvious.
Duration
9 seconds
Views
20
Timestamp in Movie
00:26:23
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 • E01 (BEEPING) - Secrets of the Underground 00:04
(BEEPING)
S01 • E03 But as quickly as the solution seemed to come, - Secrets of the Underground 00:05
But as quickly as the solution seemed to come,
S01 • E02 And if it's because of the brothels, - Secrets of the Underground 00:05
And if it's because of the brothels,
S01 • E03 And as soon as they pulled their equipment out, - Secrets of the Underground 00:09
And as soon as they pulled their equipment out,
S01 • E08 While they do seem to form a perfect geometric shape, - Secrets of the Underground 00:07
While they do seem to form a perfect geometric shape,
S01 • E02 Yes. They just want to sneak in and sneak out without anyone noticing. - Secrets of the Underground 00:05
Yes. They just want to sneak in and sneak out without anyone...
S01 • E01 As the drone soars into the sky above, - Secrets of the Underground 00:06
As the drone soars into the sky above,
S01 • E02 So, the tunnels under the Capitol and Downtown - Secrets of the Underground 00:11
So, the tunnels under the Capitol and Downtown
S01 • E08 And while there is evidence that prehistoric tribes - Secrets of the Underground 00:09
And while there is evidence that prehistoric tribes
S01 • E03 Everyone was stumped yet again - Secrets of the Underground 00:05
Everyone was stumped yet again
S01 • E01 At first glance, the mounds appear very ordered. - Secrets of the Underground 00:04
At first glance, the mounds appear very ordered.
S01 • E01 As I'm looking at this, it looks very symmetrical to me. - Secrets of the Underground 00:05
As I'm looking at this, it looks very symmetrical to me...
S01 • E07 With what We call oratories, - Secrets of the Underground 00:05
With what We call oratories,
S01 • E08 And I haven't seen anything remotely resembling this formation - Secrets of the Underground 00:06
And I haven't seen anything remotely resembling this fo...
S01 • E01 You can see all these little mounds, - Secrets of the Underground 00:05
You can see all these little mounds,
S01 • E02 It appears these passageways were just a well-kept secret - Secrets of the Underground 00:07
It appears these passageways were just a well-kept secret
S01 • E08 So, if this is man-made, who would have made it and why? - Secrets of the Underground 00:05
So, if this is man-made, who would have made it and why?
S01 • E01 Or do they? Is it just that my brain wants to see a pattern, - Secrets of the Underground 00:07
Or do they? Is it just that my brain wants to see a pattern,
S01 • E02 But the real focal point of broader suspicions - Secrets of the Underground 00:10
But the real focal point of broader suspicions
S01 • E03 The first step to solving this mystery - Secrets of the Underground 00:10
The first step to solving this mystery