Eureka Dunes. The Eureka Dunes are California's tallest sand dunes, and one of the tallest in the United States. Rising 680' above the floor of the Eureka Valley, the Eureka sand dunes are home to several endangered species, as well as "singing sand" that makes strange sounds when it shifts.
Location: Eureka Dunes, Death Valley National Park, California
Image ID: 25384