21:58

Joshua Tree National Park: UFO Technology | Full Documentary

13:29

Red Rocks de Sedona: Local de vórtice, geologia sexy ou ambos? Random Roadcuts #28

14:15

San Andreas Fault in Mecca Hills: Outstanding Geology At Every Turn

38:43

Investigate mysterious features with a geologist

20:59

Why Are There Volcanoes And Obsidian At California's Salton Sea?

17:18

When California's Greatest Treasure Became a National Disgrace: The Salton Sea - IT'S HISTORY

26:01

Surprising Implications of a Cave Discovery

19:24

Why Are There Young Volcanoes In Southern Utah? Journey Up The Diamond Valley Volcano With Geologist