September 14, 2015

by Doug Koepsel

The morning sun lights a serpentine ridge in the Painted Desert.

September 13, 2015

by Phil Bowness

A rattlesnake swims across the Colorado River near Imperial Dam.

September 12, 2015

by David Silva

A saguaro forms the backdrop for an ocotillo flower near Tucson.

September 11, 2015

by Paul Dekort

Sunrise lights the oddly textured “brain rock” of White Pocket in the Vermilion Cliffs.

September 10, 2015

by John Martin

A Mexican amberwing dragonfly takes a break atop a wild plant.

September 9, 2015

by Deborah Reeder

Black-and-White Wednesday: Old trees rise from the ground along Yellow Jacket Creek in the Verde Valley.

September 8, 2015

by Archie Tucker

A pronghorn ponders near Seligman on Historic Route 66.

September 7, 2015

by Jeff Maltzman

A monsoon storm rolls over Sonoita as skies clear overhead.