The document discusses three national parks in the United States: Kenai Fjords National Park, Mesa Verde National Park, and Bryce Canyon National Park. Kenai Fjords National Park is located 126 miles south of Anchorage on the Kenai Peninsula in Alaska and contains glaciers and wildlife. Mesa Verde National Park is located in Colorado and contains ancient cliff dwellings once inhabited by ancestral Puebloan people. Bryce Canyon National Park is located in Utah and features thousands of rock spires carved by the elements in the Paunsaguant Plateau.