Mesa Arch covered in snow and sunburst, Island in the Sky District, Canyonlands National Park, Utah

Square Tower House, Mesa Verde National Park, Colorado

Cowboy on bucking horse, saddle bronc riding competition, Rodeo de Santa Fe, New Mexico

Indian dancers, Totah Festival Pow Wow, Farmington, New Mexico

Turquoise windows and colorful flowers, Canyon Road, Santa Fe, New Mexico

Red Paintbrush (Castilleja rhexifolia), Colorado

Petroglyphs panel, Petrified Forest National Park, Arizona

Cactuses silhouetted at sunset, Saguaro National Park (West), Tucson, Arizona

Indian male, wearing white bufallo head piece, Ceremonial Parade, Gallup Inter-Tribal Ceremonial, New Mexico

Petrified wood and badlands, Long Logs Trail, Petrified Forest National Park, Arizona

San Xavier del Bac Mission (founded 1700, current structure 1797), Tucson, Arizona

Flatirons covered in snow, Boulder Open Space and Mountain Park, Boulder, Colorado

Moon and Grand Canyon, Grand Canyon National Park, Arizona

Hovenweep Castle at twilight, Hovenweep National Monument, Utah

Polygonal salt pans and Black Range, Badwater Basin, Death Valley National Park, California

Mexican dancers, 16 de Septiembre/Mexican Independence Day Celebration, Old Mesilla, New Mexico

The Castle, Capitol Reef National Park, Utah

Shaft house and Red Mountain No. 3, Yankee Girl Mine, near Ouray, Colorado