October 26, 2018

by Doug Koepsel

Golden-leafed cottonwoods line the twisting creek at the bottom of Canyon de Chelly.

October 25, 2018

by Doris Knutson-Nichols

A blue heron awaits its next meal at Whitewater Draw in Southeastern Arizona.

October 24, 2018

by A.O. Tucker

Black-and-White Wednesday: Shrouded by clouds, the moon rises over the Grand Canyon.

October 23, 2018

by Kevin Xu

Dramatic rock formations rise from the saguaros and chollas of a Sonoran Desert landscape.

October 22, 2018

by Catherine Sienko

Grasses display their autumn hues at Diamond Bell Ranch in Southern Arizona.

October 21, 2018

by Tammy Windsor-Brown

A black-chinned hummingbird samples a zinnia in a Palominas backyard.

October 20, 2018

by Michael Mishler

The setting sun illuminates clouds over Miami, near Globe.

October 19, 2018

by Tom Corey

Elk graze beneath golden-leafed aspens at Lee Valley Lake in the White Mountains.