The Northern Lights shimmer above the remote Slaven’s Roadhouse at Yukon-Charley Rivers National Preserve in Alaska. This historic roadhouse along the Yukon River once housed prospectors during the Klondike Gold Rush. Today, park visitors can spend the night in this restored cabin. Photo by Sean Tevebaugh, National Park Service. Posted on Tumblr by the US Department of the Interior, 3/31/16.