DENALI NATIONAL PARK, AK - SEPTEMBER 1: A view of Denali, formerly known as Mt. McKinley, is seen in a side-view mirror on September 1, 2015 in Denali National Park, Alaska. According to the National Park Service, the summit elevation of Denali is 20,320 feet and is the highest mountain peak in North America. (Photo by Lance King/Getty Images)
