Colorado Plateau, Arizona
Downeast + Acadia, Maine
Escalante - Grand Staircase Area, Utah
Badlands, South Dakota
Zion + Bryce Canyon Area, Utah
Yellowstone National Park
Moab, Arches + La Sal Mountains, Utah
Greater Washington D.C., Maryland
Zion + Bryce Canyon Area, Utah
Western Sonoran + Colorado Desert, California
Northern Front Range, Colorado
Central Oregon, Oregon