Arches/Canyonlands National Parks - Utah
Bandelier National Monument - New Mexico
Carlsbad Caverns National Park - New Mexico
Glacier/Waterton International Park - Montana/Alberta
Grand Tetons National Park - Wyoming
Guadalupe Mountains National Park - New Mexico/Texas
Valles Caldera National Preserve - New Mexico
White Sands National Monument - New Mexico
Yellowstone National Park - Wyoming