Photo of the Day 273

Desert Rainbow, Red Desert, Wyoming, 2005

Photograph by Joel Sartore

Wyoming's big sky has ample room for this 180-degree rainbow over the Adobe Town rock formations in Red Desert. This seemingly desolate expanse is home to an abundance of life, including antelope, mule deer, and Wyoming's largest herd of wild horses.

(Photo shot on assignment for, but not published in, "All Fired Up," July 2005, National Geographic magazine)