Denali, also known as Mount McKinley, is the highest mountain in North America. As of 2015, Denali is 20,310 feet above sea level and is located in southcentral Alaska.
Denali is the third-highest mountain of the Seven Summits. The native Athabascan people named the mountain "Denali," meaning "the great one." It was previously named Mount McKinley in 1896 after President William McKinley.
The upper half of Denali is covered in snow and glaciers up to 30 miles long. The temperatures are extreme, reaching as low as negative 75 degrees Fahrenheit with negative 118 F wind chill. Over 32,000 people have attempted to reach the mountain's peak as of 2015 with a 50-percent success rate.