This section of the Sonoran Desert near the border between Arizona and Mexico features ... this park preserves the only large concentration of organ pipe cacti in the country, as well as hundreds of ...

Researchers are concerned the declines will lessen the scale of and in some cases possibly eliminate the large saguaro forests in Arizona.

Even though they only grow in parts of the Sonoran Desert ... place to see cacti outside of Saguaro National Park is Organ Pipe Cactus National Monument. While Saguaro National Park was created ...

Nestled in the Sonoran Desert, Why, Arizona ... the Tohono Oʼodham Indian Reservation and due north of Organ Pipe Cactus ...

It’s about to rain. Some parts of Organ Pipe Cactus National Monument receive just a few inches of rain each summer, so when a thunderstorm builds over the Ajo Mountains, the desert holds its breath.