Saguaro organ pipe cactus and prickly pear cactus, Saguaro National Monument, Tucson, Arizona, USA, North America

A Saguaro covered scenic ridge overlooking the Agua Fria River in the Agua Fria National Monument of Arizona.

A Saguaro covered scenic ridge overlooking the Agua Fria River in the Agua Fria National Monument of Arizona.

Saguaro cactus (Carnegiea gigantea) among Mexican gold poppy (Eschscholzia californica mexicana), Organ Pipe Cactus National Monument, Arizona, United States of America, North America

Saguaro cactus (Carnegiea gigantea), Organ Pipe Cactus National Monument, Sonoran Desert, Arizona, United States of America, North America

Saguaro cacti at sunset, Saguaro National Monument, Tucson, Arizona, United States of America, North America

Saguaro Cacti, Sonora Desert, Saguaro National Monument, Arizona, USA

Saguaro cacti, Cactus, Sonora Desert, Saguaro National Monument, Arizona, USA

Organ Pipe Cactus (Stenocereus thurberi) in Sonoran Desert in bloom at sunset with Mexican Gold Poppy (Eschscholzia californica mexicana), Desert Lupine (Lupinus sparsiflorus), Saguaro Cactus (Carnegiea gigantea), Organ Pipe Cactus National Monument, Sout

Hohokam petroglyph in the Saguaro National Monument, Arizona,

organpipe saguaro and cholla cacti with sunset light in Ajo Mountains Organ Pipe Cactus National Monument Arizona USA

saguaro cactus saguaro cactus saguaros silhouetted at sunset mood Saguaro National Monument Arizona USA (Cereus giganteus oder Carnegia gigantea Carnegiea gigantea syn. Cereus giganteus)