October 27, 2015

by Louis Kamler

Mooney Falls pours into a blue-green pool in Havasu Canyon.

October 26, 2015

by Eric Heaton

Evening light casts a glow on the rocks of the Superstition Mountains near Phoenix.

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.