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Secrets of the Underground

After settingthe instrument in place, it doesn't take longto get a reading

After setting
the instrument in place, it doesn't take long
to get a reading

Full Transcript

00:00:01.000 --> 00:00:03.016
After setting the instrument in place,
00:00:03.024 --> 00:00:05.052
it doesn't take long to get a reading.
Duration
6 seconds
Views
12
Timestamp in Movie
00:35:39
Uploaded
Jul 13, 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 As one of the oldest and most widespread mythical symbols, - Secrets of the Underground 00:08
As one of the oldest and most widespread mythical symbols,
S01 • E03 It's about a million gallons a day leaving this lake. - Secrets of the Underground 00:05
It's about a million gallons a day leaving this lake.
S01 • E07 I need to get a better look At these etchings, - Secrets of the Underground 00:07
I need to get a better look At these etchings,
S01 • E01 So it sounds like earthquakes didn't create the Mima Mounds, - Secrets of the Underground 00:09
So it sounds like earthquakes didn't create the Mima Mo...
S01 • E02 In Mayan culture, it was believed to represent rebirth. - Secrets of the Underground 00:04
In Mayan culture, it was believed to represent rebirth.
S01 • E03 A million gallons is more than enough - Secrets of the Underground 00:11
A million gallons is more than enough
S01 • E07 Called reflectance Transformation imaging, or rti. - Secrets of the Underground 00:06
Called reflectance Transformation imaging, or rti.
S01 • E02 But the serpent is mostly seen as a foreboding symbol. - Secrets of the Underground 00:04
But the serpent is mostly seen as a foreboding symbol.
S01 • E01 I'm building an impressive list - Secrets of the Underground 00:09
I'm building an impressive list
S01 • E02 Much of Western culture associates it with temptation and evil. - Secrets of the Underground 00:05
Much of Western culture associates it with temptation and ev...
S01 • E03 Now the next question is, where is it all going? - Secrets of the Underground 00:04
Now the next question is, where is it all going?
S01 • E02 And some ancient Native American tribes - Secrets of the Underground 00:06
And some ancient Native American tribes
S01 • E07 Honestly, I don't know Exactly what we're looking at. - Secrets of the Underground 00:05
Honestly, I don't know Exactly what we're looking ...
S01 • E01 Each failed theory is bringing me closer, - Secrets of the Underground 00:08
Each failed theory is bringing me closer,
S01 • E03 Could it be draining into an underground cavern as some locals believe? - Secrets of the Underground 00:05
Could it be draining into an underground cavern as some loca...
S01 • E08 I can make out a series of indentations that could be a carving, - Secrets of the Underground 00:08
I can make out a series of indentations that could be a carv...
S01 • E02 It was a symbol that was to be respected and feared. - Secrets of the Underground 00:04
It was a symbol that was to be respected and feared.
S01 • E03 The lakebed around the leak is very unusual. - Secrets of the Underground 00:04
The lakebed around the leak is very unusual.
S01 • E01 What I really need is to actually see inside one. - Secrets of the Underground 00:04
What I really need is to actually see inside one.
S01 • E03 It's covered in a field of jagged boulders - Secrets of the Underground 00:07
It's covered in a field of jagged boulders