Sonoran Desert National Monument, AZ / Saguaro cactus (Carnegiea gigantea) with sunset light on the Sand Tank Mtns. 12001V5

Sonoran Desert National Monument, AZ / Close-up of Saguaro cactus (Carnegiea gigantea) with patterned, discolored sun-exposed skin in the Sand Tank Mtns.12001V6

Barry M. Goldwater Range, AZ. / Bright red Ocotillos (Fouquieria splendens) close-ups, in Tinajas Altas Mountains. Leaves turn red as dry season follows wet season. 22001V6