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But their beauty and impressiveness is overshadowed
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Secrets of the Underground

But their beauty andimpressiveness is overshadowed by the solemn natureof what lies below

But their beauty and
impressiveness is overshadowed by the solemn nature
of what lies below

Full Transcript

00:00:01.000 --> 00:00:03.052
But their beauty and impressiveness is overshadowed
00:00:03.006 --> 00:00:05.096
by the solemn nature of what lies below.
Duration
6 seconds
Views
19
Timestamp in Movie
00:28:21
Uploaded
Jul 08, 2025
Season
1
Episode
2
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 • 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 • 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 • 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...
S01 • E01 Over time, the subsoil is forced upwards - Secrets of the Underground 00:06
Over time, the subsoil is forced upwards
S01 • E07 The shortest day of the year, - Secrets of the Underground 00:05
The shortest day of the year,
S01 • E03 In fact, it reminds me of something I saw before I met up with Tim and Paki. - Secrets of the Underground 00:06
In fact, it reminds me of something I saw before I met up wi...
S01 • E02 It's a protected site, - Secrets of the Underground 00:06
It's a protected site,
S01 • E08 If so, the possibility that this site is man-made is more likely. - Secrets of the Underground 00:05
If so, the possibility that this site is man-made is more li...
S01 • E01 The only way to know if this is what I'm seeing at Mima Mounds - Secrets of the Underground 00:08
The only way to know if this is what I'm seeing at Mima...
S01 • E02 Luckily, I've got the latest technology - Secrets of the Underground 00:05
Luckily, I've got the latest technology
S01 • E08 When I started researching this story, - Secrets of the Underground 00:09
When I started researching this story,
S01 • E03 I'm walking around the shoreline right at the moment, - Secrets of the Underground 00:08
I'm walking around the shoreline right at the moment,
S01 • E02 I'm teaming up with archaeologist Dr Jarrod Burks, - Secrets of the Underground 00:07
I'm teaming up with archaeologist Dr Jarrod Burks,
S01 • E07 Totally by chance, - Secrets of the Underground 00:06
Totally by chance,
S01 • E01 If I can find clay in the soil, that could suggest these are gilgai. - Secrets of the Underground 00:06
If I can find clay in the soil, that could suggest these are...
S01 • E03 As I scouted the shoreline, - Secrets of the Underground 00:10
As I scouted the shoreline,