Random Roadcuts #14: Geologist Explores Roadcut In Austria's Wachau Valley
15:59
Random Roadcuts #15: Learn Geology At An Interesting Roadcut On US 20 In Southern Idaho
7:01
How Did These Weird Stone Columns Form? Geologist Explains
13:42
Siletzia Pillows - Marys Peak
8:01
Random Roadcuts #5: South Dakota Hwy 244 near Mount Rushmore
7:05
Metamorfik Kayaçlar-- Phyllite ID'd
23:15
Random Roadcuts #6: Central Nevada on US-6
13:35
The ancient oracle of Dodona
3:12