Climbing Mount McKinley
Detailed Description
Climbing Mount McKinley, North America’s highest peak, is a daunting task for even the most experienced mountaineers at Denali National Park in Alaska. (Photo courtesy of National Geographic).
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
