Mountain-sunset view from Telluride, once a mining boomtown and now a popular skiing destination in Colorado. Original image…Free Image from public domain license
Sand dunes in Southern California. Original image from Carol M. Highsmith’s America, Library of Congress collection.…Free Image from public domain license
A red fox prowls for voles, hidden beneath the snow, in Yellowstone National Park in the western U.S. state of Wyoming.…Free Image from public domain license
Located in the southeast corner of California, the Imperial Sand Dunes are the largest mass of sand dunes in the state.…Free Image from public domain license
California Coastline. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally…Free Image from public domain license
Rock Creek Park, Washington, D.C. Original image from Carol M. Highsmith’s America, Library of Congress collection.…Free Image from public domain license
Road through South Pass in the Rocky Mountains. Original image from Carol M. Highsmith’s America, Library of Congress…Free Image from public domain license
The Soyuz MS-02 spacecraft is seen as it lands with Expedition 50 near the town of Zhezkazgan, Kazakhstan, April 10, 2017.…Free Image from public domain license
South Dakota rural scene. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally…Free Image from public domain license