December 7, 2018

by Jack Holcomb

Aspens line the Bonito Lava Flow near Sunset Crater Volcano National Monument.

December 6, 2018

by Bernard Howe

A Western grebe appears to eye its reflection at a Gilbert riparian preserve.

December 5, 2018

by David Pool

Black-and-White Wednesday: Cactus arms reach skyward at Organ Pipe Cactus National Monument.

December 4, 2018

by Rom Kao

December foliage greets the morning sun at Sabino Canyon near Tucson.

December 3, 2018

by Fred Holmstock

Sunrise greets the Mittens and Merrick Butte at the Navajo Nation’s Monument Valley.

December 2, 2018

by Jun Liu

A saguaro near Gold Canyon in the Superstition Wilderness embraces the setting sun.

December 1, 2018

by Angelica Chavez

A Montezuma quail surveys its surroundings at a bed and breakfast in Hereford, in Southeastern Arizona.

November 30, 2018

by Ron Pelton

The sun sets on the Grand Canyon after two days of snowfall.