Badwater

Badwater: A scene from the 135-mile Badwater Ultramarathon in Death Valley National Park, California in this file photo taken July 15, 2013. The Badwater Ultramarathon normally takes place in July. (REUTERS/Lucy Nicholson)

Badwater: A scene from the 135-mile Badwater Ultramarathon in Death Valley National Park, California in this file photo taken July 15, 2013. The Badwater Ultramarathon normally takes place in July. (REUTERS/Lucy Nicholson)