The Breeding Ground

Organ Pipe Cactus National Monument, AZ

A plethora of saguaros radiate in mid morning storm light in the backcountry of Organ Pipe Cactus NM. Organ Pipe Cactus National Monument is a UNESCO biosphere reserve located in extreme southern Arizona that shares a border with the Mexican state of Sonora. The closest towns to the park are Ajo and Lukeville. Photo © copyright by Michael Greene.