Pacific Mtn System - Mt. Rainier Nat'l Pk, WA |
Pacific Mtn System - Highway 1, CA |
Basin and Range - Death Valley Nat'l Park, CA |
Basin and Range - Chiracahua Nat'l Monument, AZ |
Basin and Range - Chiracahua Nat'l Monument, AZ |
Basin and Range - White Sands Nat'l Monument, NM |
Basin and Range - Guadalupe Mtns Nat'l Park, TX |
Basin and Range - Guadalupe Mtns Nat'l Park, TX |
Basin and Range - Guadalupe Mtns Nat'l Park, TX |
Basin and Range - Guadalupe Mtns Nat'l Park, TX |
Basin and Range - Big Bend Nat'l Park, TX |
Basin and Range - Big Bend Nat'l Park |
Colorado Plateau - Capitol Reef Nat'l Park, UT |
Colorado Plateau - Glen Canyon Nat'l Recreation Area, UT |
Grand Staircase-Escalante Nat'l Monument, UT |
Grand Staircase-Escalante Nat'l Monument, UT |
Colorado Plateau - The Wave, Vermilion Cliffs Nat'l Monument, AZ |
Colorado Plateau - Grand Canyon Nat'l Park, AZ |
Colorado Plateau - Glen Canyon Nat'l Recreation Area, AZ |
Rocky Mtns - Sawtooth Mtn Nat'l Recreation Area, ID |
Rocky Mtns - Sawtooth Mtn Nat'l Recreation Area, ID |
Rocky Mtns - Grand Teton Nat'l Pk, WY |
Rocky Mtns - Grand Teton Nat'l Pk, WY |
Colorado Bend State Park, TX |
South Llano River State Park, Junction, TX |
Edwards Plateau - South Llano River State Park, TX |
Ozark Plateau - Ozark Nat'l Forest, AR |
Ozark Plateau, Columbia, MO |
Coastal Plain, Hooks Airport, Houston, TX |
Coastal Plain, Monticello, FL |
Coastal Plain, Withlacoochee State Forest, FL |
Coastal Plain, Withlacoochee State Forest, FL |
Coastal Plain - Wilderness Park, Tampa, FL |
Coastal Plain - Wilderness Park, Tampa, FL |
Coastal Plain - Wilderness Park, Tampa, FL |