City of Rocks, Idaho

City of Rocks National Reserve, Idaho

See two granite bodies a billion years apart eroded into spectacular towers and ridges -- on the California pioneer trail!

Yosemite's Tioga Pass Road

Yosemite National Park's Tioga Pass Road

Explore the glaciated granite of the high country on the High Sierra's best road!

Northern California Coast 3

Best Geological Sites on the Northern California Coast - Part 3

Ferndale - Mattole Road - Cape Mendocino - Tectonic Triple Junction - Eel River - Point Arena

Northern California Coast 2

Geological Sites on Northern California Coast - Part 2

Discover tectonic plate collision geology in the Crescent City region!