FILE - This May 6, 2006 file photo shows two cyclists riding along the 13-mile-long scenic drive at Red Rock Canyon National Conservation Area in Nevada. These towering red sandstone cliffs, some ... more 
FILE - This May 6, 2006 file photo shows two cyclists riding along the 13-mile-long scenic drive at Red Rock Canyon National Conservation Area in Nevada. These towering red sandstone cliffs, some reaching 3,000 feet, is just 15 miles west of metropolitan Las Vegas. (AP Photo/Jae C. Hong, file) less 
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Associated Press | Photo By Jae C. Hong, file
Thu, Oct 18, 2012 11:53 AM EDT