Andes View fullsize Near the Chile-Argentina border View fullsize Incahuasi, 6,621 m (21,722 ft), on the Chile-Argentina border View fullsize Incahuasi, 6,621 m (21,722 ft), on the Chile-Argentina border View fullsize Permian redbeds View fullsize Basalt flow and cinder cones south of Antofagasta de la Sierra, Argentina View fullsize Folded Ordovician sedimentary rocks View fullsize Cerro Galán ignimbrite View fullsize Cerro Galán ignimbrite View fullsize Cinder cone south of Antofagasta de la Sierra, Argentina View fullsize Salar de Antofalla, Argentina View fullsize Ojos del Salado, highest Holocene volcano, 6,893 m (22,615 ft) View fullsize Lenticular clouds and village south of Antofagasta de la Sierra, Argentina View fullsize Desert pavement and Volcán Beltran View fullsize Volcán Beltran View fullsize Flamingos View fullsize Volcán Tuzgle, Argentina View fullsize Volcán Tuzgle and ignimbrite View fullsize Las Termas ignimbrite, Argentina View fullsize Salt sculpture, Salar de Salinas Grandes View fullsize Salt polygons, Salar de Salinas Grandes View fullsize Aconcagua, highest mountain in South America, 6,961 m (22,838 ft) View fullsize Badlands, Cuesta de Lipan View fullsize Sedimentary rocks near Purmamarca, Argentina View fullsize Nevado de Chani View fullsize Travertine, Puente del Incas Yosemite | Death Valley | Four Corners States | Iceland