Picture/Photo: Organ pipe cactus and brittlebush on hillside, North Puerto Blanco Drive. Organ Pipe Cactus National Monument, Arizona, USA

Organ pipe cactus and brittlebush on hillside, North Puerto Blanco Drive. Organ Pipe Cactus National Monument, Arizona, USA

Organ pipe cactus and brittlebush on hillside, North Puerto Blanco Drive. Organ Pipe Cactus National Monument, Arizona, USA Organ Pipe Cactus NM