Alaska’s Yukon-Charley Rivers National Preserv…

Alaska’s Yukon-Charley Rivers National Preserve offers exploration in a vast and pristine landscape. The park is a haven largely untouched by glaciation and mostly free of human imprint with prime breeding grounds for the endangered peregrine falcon, calving grounds for caribou, choice paleontological sites, superb recreational waters, and the timeless presence of the mighty and historic Yukon River. Photo by Josh Spice, National Park Service.