Mesquite Sand Dunes, Death Valley National Park, California
The Mesquite Flat Sand Dunes are located in the center of Death Valley near the town of Stovepipe Wells. The highest dunes are about 100 feet tall, with the Panamint Mountains seen in the distance. Death Valley is a land of extremes: the hottest temperature (134 degrees F) was recorded here, it is one of the driest places on Earth, and it has the lowest point in North America (-282 below sea level).