National parks & reserves, Canyons, Grand Canyon (Ariz.), Grand Canyon National Park (Ariz.), El Tovar Hotel (Grand Canyon, Ariz.), Buttes, Clouds, Mesas...
Black Canyon of the Gunnison National Park (Colo.), Canyons, Cliffs, Trees, Black Canyon of the Gunnison (Colo.), Rock formations, National parks & reser...