Warner Mountains + Modoc Plateau, California
Uncompahgre Plateau, Colorado
Colorado Springs
Lassen Volcanic National Park
Lassen Volcanic National Park
Palomar Mountain State Park
San Francisco Peninsula + Santa Cruz, California
Kodachrome Basin State Park
Zion + Bryce Canyon Area, Utah
Las Vegas + Southern Nevada, Nevada
Eastern Sierra + White Mountains Area, California
Eastern Sierra + White Mountains Area, California