A geological phenomenon has been observed and studied for the last 50 years that has yet to be explained. In the dry lake bed of Racetrack, Death Valley, stones as big as 700 pounds, mysteriously slide across the surface without any physical manipulation by man or beast. These stones have become known as the Sailing Stones.

Although these stones have been studied for the last fifty years, no one has seen these stones actively sliding.

Some researchers believe a combination of natural events cause these stones to "sail".  This area…