The National Trails System covers everything from scenic walks to historic sites, and everything in between. Begun in 1968 by the National Trails System Act, the NTS protects such historic trails as the Trail of Tears, the Oregon Trail, the Pony Express Trail, and more, including more recent history like the Selma to Montgomery National Historic Trail. But it’s not just history that’s managed by the NTS: The Appalachian Trail, Natchez Trace Trail and the Continental Divide Trail are all protected as well.

To celebrate the act’s 50th anniversary, the U.S. Department of the Interior has put together a gallery of just some of the National Trails System’s most famous trails. Scroll through the photos above, then take a look below for another special 50th birthday, the Wild and Scenic Rivers Act:


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