Shasta Valley's strange hills reveal a secret — the debris of a massive ancient mountain collapse in Northern California.

Adventure awaits in this idyllic hub, which sits in the shadow of California's largest volcano where skiing, hiking, and so ...

Airports: Redding and Chico, California; Reno, Nevada. The volcanic areas are best visited in summer and fall. Heavy snows close most of the main road in winter. But visitors still enjoy snowshoe ...