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October 21, 2014

by Greg Tucker

Its trademark rattle visible, a Mohave rattlesnake ponders its next move.

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October 20, 2014

by Santiago Almada

High clouds cover the sky above Sedona’s red-rock formations.

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October 19, 2014

by Tom Corey

A bull elk shows itself in the White Mountains during the rut.
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October 18, 2014

by Gary Smith

Near Kayenta on the Navajo Nation, rock spires reach skyward.
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October 17, 2014

by James Marvin Phelps

A desert bighorn sheep peers into the vast Grand Canyon.
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October 16, 2014

by Stacy Elliott

Mature saguaros reach skyward at Desert Botanical Garden in Phoenix.

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October 15, 2014

by Michael Kenan

Black-and-White Wednesday: The mighty Hoover Dam, photographed from a recently completed bridge.

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October 14, 2014

by Aaron Burrows

Fallen leaves collect in a stream in the White Mountains of Eastern Arizona.