August 6, 2015

by Toni Smith

Distant lightning strikes form the background for chollas at Gates Pass near Tucson.

August 5, 2015

by Darcy Rose

Black-and-White Wednesday: A snowy egret sits in the calm water of a Gilbert nature preserve.

August 4, 2015

by Dave Wilhelm

A desert night-blooming cereus bloom makes a rare daytime appearance.

August 3, 2015

by Sue Cullumber

Rock formations jut skyward along the Ballantine Trail near State Route 87.

August 2, 2015

by Nick Koziupa

A boulder endures the Colorado River at Hance Rapids in the Grand Canyon.

August 1, 2015

by Matt Blankenship

A burrowing-owl chick stretches its wings at Zanjero Park in Gilbert.

July 31, 2015

by Brian Michael Schade

Monsoon rains come to Sierra Vista in Southeastern Arizona.

July 30, 2015

by Michael Parkison

Orange hues color the sky at sunset over State Route 87 near Pine.