In this May 28, 2013 photo, a hiker takes a photo on a rock formation known as The Wave in the Vermilion Cliffs National Monument in Arizona. The U.S. Bureau of Land Management limits the number of ... more 
In this May 28, 2013 photo, a hiker takes a photo on a rock formation known as The Wave in the Vermilion Cliffs National Monument in Arizona. The U.S. Bureau of Land Management limits the number of permits for hikers to 20 a day in order to preserve the backcountry wilderness experience and protect the sandstone formation. (AP Photo/Brian Witte) less 
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Associated Press | Photo By Brian Witte
Tue, Jun 25, 2013 7:59 PM EDT