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If any of those funnels had reopened up
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Secrets of the Underground

If any of those funnelshad reopened up, we wouldn't be seeing this

If any of those funnels
had reopened up, we wouldn't be seeing this

Full Transcript

00:00:01.000 --> 00:00:03.008
If any of those funnels had reopened up,
00:00:03.016 --> 00:00:05.012
we wouldn't be seeing this.
Duration
5 seconds
Views
20
Timestamp in Movie
00:27:56
Uploaded
Jul 10, 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 This has baffled scientists for centuries - Secrets of the Underground 00:06
This has baffled scientists for centuries
S01 • E01 The most likely alternative to human construction - Secrets of the Underground 00:06
The most likely alternative to human construction
S01 • E07 It was actually An astronomical tool, - Secrets of the Underground 00:07
It was actually An astronomical tool,
S01 • E08 We refer to them as "mishoomis" - "grandfather". - Secrets of the Underground 00:04
We refer to them as "mishoomis" - "grandfathe...
S01 • E08 They reinforce that we have been here a long time - Secrets of the Underground 00:08
They reinforce that we have been here a long time
S01 • E02 I've always been fascinated by America's ancient earthen structures. - Secrets of the Underground 00:06
I've always been fascinated by America's ancient e...
S01 • E03 Searching for clues, Paki pilots our ROV away from the sealed holes... - Secrets of the Underground 00:05
Searching for clues, Paki pilots our ROV away from the seale...
S01 • E01 In fact, looking at the drone footage, - Secrets of the Underground 00:07
In fact, looking at the drone footage,
S01 • E02 Like Effigy Mounds National Monument in Iowa, - Secrets of the Underground 00:10
Like Effigy Mounds National Monument in Iowa,
S01 • E07 With the late summer Corn harvest, - Secrets of the Underground 00:08
With the late summer Corn harvest,
S01 • E01 I'm wondering if the Mima Mounds might be an extreme version - Secrets of the Underground 00:07
I'm wondering if the Mima Mounds might be an extreme ve...
S01 • E08 But how could a site 40ft underwater be sacred ground? - Secrets of the Underground 00:04
But how could a site 40ft underwater be sacred ground?
S01 • E02 But their beauty and impressiveness is overshadowed - Secrets of the Underground 00:06
But their beauty and impressiveness is overshadowed
S01 • E01 Gilgai are mounds and depressions forming in clay-rich soil, - Secrets of the Underground 00:13
Gilgai are mounds and depressions forming in clay-rich soil,
S01 • E08 It's unlikely an ancient civilisation would have dropped six stones - Secrets of the Underground 00:08
It's unlikely an ancient civilisation would have droppe...
S01 • E02 If humans were buried under these bear-shaped mounds in Iowa... - Secrets of the Underground 00:05
If humans were buried under these bear-shaped mounds in Iowa...
S01 • E03 I mean, it looks like you got a boulder field over there. - Secrets of the Underground 00:04
I mean, it looks like you got a boulder field over there.
S01 • E07 But according to vance, - Secrets of the Underground 00:06
But according to vance,
S01 • E08 But could it be possible that in the time of Hank's ancient ancestors, - Secrets of the Underground 00:08
But could it be possible that in the time of Hank's anc...
S01 • E02 Couldn't there also be remains beneath Ohio's Serpent Mound? - Secrets of the Underground 00:05
Couldn't there also be remains beneath Ohio's Serp...