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Saguaro cactus and double arches at Arch Canyon, Ajo Mountains, Organ Pipe Cactus National Monument, Ariz.
©Tom & Pat Leeson
Organ Pipe Cactus National Monument, Organ Pipe, National Monument, Ajo Mountain Drive, Arch Canyon, Ajo Mountain Range, Ajo Mountains, double arch, rock arch, arch, North America, Arizona, Sonoran Desert, desert, landscape, scenic, leesonphoto, horizontal, cactus, cacti, saguaro cactus, Carnegiea gigantea