September 20, 2018

by Benjamin Fairchild

Moonlight illuminates the Superstition Mountains, east of the Phoenix area.

September 19, 2018

by Bernhard Michaelis

Black-and-White Wednesday: A sandstone formation on the Navajo Nation has eroded into a sombrero-like shape.

September 18, 2018

by Yessica Wheeler

Round-tailed ground squirrels survey the area around their Tucson nest.

September 17, 2018

by David Shield

Coal Mine Canyon, on tribal land in Northeastern Arizona, displays its multicolored rock layers.

September 16, 2018

by Ron Scott

The setting sun casts a magenta hue on Apache Leap, a landform near Superior.

September 15, 2018

by Steve Pults

New growth appears on a Sonoran Desert saguaro near Scottsdale.

September 14, 2018

by Dick Stovall

Red-rock formations loom over the Sedona area near the Chapel of the Holy Cross.

September 13, 2018

by Jessica R. MacKenzie

A bald eagle keeps watch from a Flagstaff tree branch at sunset.