Great Sand Dunes National Park in Colorado Great Sand Dunes National Park , Colorado Sossusvlei Sand Dunes (highest dunes in the world), Namib Desert, Namib-Naukluft National Park, Namibia Rolling Orange Sand Dunes and Sand Ripples in the Erg Chebbi Sand Sea Near Merzouga, Morocco Bryan Konietzko Photography Scenic view of Lençóis Maranhenses National Park, Maranhão, Brazil
