A fiery sunset overtakes the sky at Great Sand Dunes National Park and Preserve in Colorado, casting an otherworldly glow on the park’s purple sands. Photo courtesy of Chris Wheeler. Posted on Tumblr by the US Department of the Interior, 2/9/16.
Describing this beauty is impossible. Sunset over Arches National Park. Photo by David Long. Tweeted by the US Department of the Interior, 2/10/16.
Grand Canyon National Park. Tweeted by the US Department of the Interior, 2/26/16.