Kelso Sand Dunes, Mojave Desert National Preserve, California
The sun sets over the Kelso Dunes, which are the largest sand dunes in the Mojave Desert in southern California, with the tallest sand dune rising 650 feet tall. The Kelso Sand Dunes are in the Mojave Desert National Preserve, encompassing a 45-square mile area, and are among the tallest and largest sand dune fields in the United States.