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.

The short Alaska summer pulls back a blanket of snow and offers visitors epic views of mind-boggling landscapes. Wrangell-St. Elias National Park & Preserve is our country’s largest national park and home to wide river valleys, towering mountain ranges and a glacier larger than the state of Rhode Island. Add in amazing wildlife and volcanoes, and this park is an adventurer’s dream. Photo by Jacob W. Frank, National Park Service.