Why Is This A "Sinking Canyon"?
23:36
"Old" Yellowstone in southern Idaho: amazing deposits of pyroclastic flows from explosive eruptions
15:36
HUGE Boulders Transported by a Megaflood in Southern Idaho: a geologist's tour
32:52
Discovering a Hidden Oasis in a Remote Desert Canyon
16:59
Secrets of groundwater: Thousand Springs State Park and the amazing Snake River Plain Aquifer, Idaho
22:03
"Slip Slidin' Away": The 1993 Bliss Landslide, a dramatic earthflow that diverted the Snake River
25:24
An Unusual Sandstone Monument: Where Did It Come From? Where Did It Go?
21:35
Trucks, Trains, Terns & Tractors; An Ordinary Rock & Its Amazing Value
22:18