Why Is This A "Sinking Canyon"?
17:51
Why Is This Stark White Mountain Sitting In The Middle of Utah's West Desert: Geology Revealed!
27:48
The fantastic story of the Bonneville Flood: a catastrophic megaflood from ~17,400 years ago
23:04
I discovered Impossible Geometry on Google Earth
23:36
"Old" Yellowstone in southern Idaho: amazing deposits of pyroclastic flows from explosive eruptions
10:00
What did I find in this cave in Montana?
29:22
Why is there an ancient "river to nowhere" in southern Ohio?
21:01
Watch Trudeau speak directly to Trump during blistering speech
25:24