Moab, Arches + La Sal Mountains, Utah
Colorado Plateau, Colorado
Guatemala, Latin America
Redwoods + Del Norte Coast, California
Zion + Bryce Canyon Area, Utah
Guadalupe Mountains, New Mexico
Uncompahgre Plateau, Colorado
Death Valley, California
Western Sonoran + Colorado Desert, California
Yosemite + Central Sierra, California
Western Olympic Peninsula, Washington
Mount Rainier Area, Washington