The Ancient Volcano in Wyoming; Devils Tower
10:11
Devils Tower: A Volcanic Neck or Not?
18:34
Catastrophe and Cartography - Ice Age Floods Visualized
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Aftermath of the Biggest Volcano Eruption Ever Caught on Tape from Space - Tonga
7:34
The Story Behind This Giant Rock in the Middle of a Field
13:31
A Dangerous Glacier Grows Inside Mount St. Helens' Crater | Oregon Field Guide
3:00
Why There's a Straight Line Through Scotland
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Exploring Devils Tower: Wyomings Iconic Natural Wonder
26:49