Inner Gorge Crossbedding in de Chelly Sandstone. Fossil Log Slide Mountain El Torcal Some "fangs" Notch Peak Ronda (2) Chaos Jumble and Chaos Crags Bumpass Hell Differential weathering Travertine Dams Big Indian Creek Gorge Fort Rock, Oregon, USA Meteor Crater, Arizona, USA Kiger Gorge Red Lake Canyon View Palisades of the Desert Burney Falls Hoodoo Fisher Towers Differential weathering Fairview Peak Fault Scarp BLM interpretive sign Fairview Peak Fault Scarp Keystone thrust Concretions Quarry, Aztec Sandstone Aztec Sandstone Yampa Canyon Descent to the Yampa Bench Cross Mountain Canyon Mt. St. Helens Driftwood in Spirit Lake Douglas fir stump Broken truss bridge Panum Crater Blair, Nevada, USA Split Glacial Erratic The Racetrack Red Hill The Great Unconformity lava_land Grand Canyon of Oman