The Mysterious Racetrack Playa: Where Rocks Walk; Or Rocks Apparently in Motion The Racetrack Playa: An oddity in the ground Located in the area referred by most people as the Death Valley in the state of California in the northwestern side of the country is the Racetrack Playa. This is by far one of the flattest, driest true natural lakes one could ever find and has the ability to mesmerize any scientist or tourist. Growing to a height of 3. Average depth of 8 centimeters, Racetrack Playa is a small, flat, and closed depression with ridges around and is flooded for a short period of time throughout the year. The true beauty of this special terrain is in the mysterious nature of what is called ‘sailing stones’ – flat stones which vary in weight from some hundreds of grams to some hundreds of kilograms with noticeable evident tracks etched upon the surface; stones that appear to move of their own accord with no sign of human or animal influence. How Do the Sailing Stones Wor...