San Gorgonio Wilderness
Mount St. Helens National Volcanic Monument
Dixie National Forest
Western Sonoran + Colorado Desert, California
Zion + Bryce Canyon Area, Utah
San Gabriel + San Bernardino Mountains, California
San Gabriel + San Bernardino Mountains, California
San Rafael Swell
Canyonlands + Abajo Mountains, Utah
Glen Canyon National Recreation Area
Southwest Washington/Mount St. Helens, Washington
Mount St. Helens National Volcanic Monument