This is one of the mysterious rocks that move across the Racetrack Playa in Death Valley. No one has seen them move and theories vary as to how they scoot around. The most accepted theory is they move during violent thunderstorms when there are high winds and the muddy playa floor is slick.

This image was made with multiple shots at varying focus settings, and merged using Helicon Focus software.

Canon 5D, Sigma 50-500 mm, f/16, 1/100, ISO100.

Carl Crumley