Colorado Plateau, Arizona
Las Vegas + Southern Nevada, Nevada
Spring Mountains National Recreation Area
Monument Valley, Navajo Tribal Park
Red Rock Canyon National Conservation Area
Zion + Bryce Canyon Area, Utah
Death Valley, California
Zion + Bryce Canyon Area, Utah
Colorado Plateau, Utah
Grand Staircase-Escalante National Monument
Grand Staircase-Escalante National Monument
Mesa Verde National Park