© Richard Ansley / NBP Courtesy of Nature’s Best Photography
Colorful twisted petrified sand dunes of White Pocket tower over Paria Canyon-Vermilion Cliffs Wilderness in Arizona. This photo was selected out of more than 5,000 entries to go on display in “Wilderness Forever: 50 Years of Protecting America’s Wild Places,” a new photo exhibition at the Smithsonian’s National Museum of Natural History, which will run through summer 2015.
