The Bizarre Rocks and Landscape of Chaos Jumbles, Lassen Volcanic National Park, California
11:35
Whole Mountain of VOLCANIC GLASS! Explore the geology of Glass Mountain, California
16:55
The Fossilized Sequoias and Outstanding Geology of Malm Gulch, Idaho
16:47
Clastic Dikes and Other Interesting Geology In Badlands National Park, South Dakota
12:17
Prisoners Rock Tuff Cone and Petroglyphs in Lava Beds National Monument, California
20:13
The Massive Eruption of California's Supervolcano: Evidence in Owens River Gorge
15:17
Magma and Limestone Met at America's Second Tallest Cliff: Notch Peak, Utah
8:08
Dec 23, 2024: Two Pyroclastic Flows Caught on Camera at Santa Maria Volcano (Santiaguito), Guatemala
13:53