April 28, 2015

by Tam Ryan

A ground squirrel feeds on a flower at Desert Botanical Garden in Phoenix.

April 27, 2015

by Inge Johnsson

The Colorado River meanders through the verdant Marble Canyon.

April 26, 2015

by Theresa Ditson

Sunset illuminates grasslands near Perkinsville, south of Williams.



April 25, 2015

by Jennifer Mullins

A butterfly perches on a flower at Phoenix’s Desert Botanical Garden.

April 24, 2015

by Charles Hoekman

A bridge spans Roosevelt Lake, a reservoir northeast of Phoenix.

April 23, 2015

by Jeff Maltzman

The sun backlights saguaros and desert grasses in Bear Canyon near Tucson.

April 22, 2015

by Jack Challem

Black-and-White Wednesday: The Santa Rita Mountains loom over a Sonoita hayfield.

April 21, 2015

by Valerie Thomas

A rabbit sits along a trail at the Riparian Preserve at Water Ranch in Gilbert.