October 25, 2015

by Tyler Sichelski

Stars create streaks in the night sky above a gnarled old tree at San Tan Mountain Regional Park.

October 24, 2015

by Gerald Briggs

A turkey vulture looks for its next meal near Bagdad, Arizona.

October 23, 2015

by Michael Wilson

Fallen autumn leaves blanket the ground in Sedona.

October 22, 2015

by Michael Newberry

A prickly pear cactus west of Tucson loses its fruit.

October 21, 2015

by Don Lawrence

Black-and-White Wednesday: The colorful layers of “The Wave” at the Vermilion Cliffs are rendered in black and white.

October 20, 2015

by Valerie Thomas

A curious jackrabbit eyes the photographer at the Gilbert Riparian Preserve at Water Ranch.

October 19, 2015

by Tad Zadykowicz

Golden cottonwoods contrast with rock walls at Canyon de Chelly on the Navajo Nation.

October 18, 2015

by Shirley Ramaley

High clouds glow at sunset in the desert north of Phoenix.