View of Mt. McKinley on a sunny day from Stony Overlook, Denali National Park and Preserve, Interior Alaska, Summer.

View of Denali in early morning sun with fireweed in the foreground, Denali National Park and Preserve, Interior Alaska, Summer.

View of Mt. McKinley on a sunny day from Eielson Visitor Center with a descriptive panel of the Alaska Range in foreground, Denali National Park and Preserve, Interior Alaska, Summer.

Scenic view of Mt. McKinley with a tour bus on the Park Road in the foreground, Denali National Park, Interior Alaska, Summer

A man bicycle touring in Denali National Park with Mt. McKinley in the background, Interior Alaska, Summer

A man bicycle touring in Denali National Park with Mt. McKinley in the background, Interior Alaska, Summer

A man bicycle touring in Denali National Park with Mt. McKinley in the background, Interior Alaska, Summer

Hiker on a hillside in front of Mt. McKinley and Muldrow Glacier, Denali National Park, Interior Alaska, summer

Hiker on a hillside in front of Mt. McKinley and Muldrow Glacier, Denali National Park, Interior Alaska, summer

Hiker on a hillside in front of Mt. McKinley and Muldrow Glacier, Denali National Park, Interior Alaska, summer

Hiker on a hillside in front of Mt. McKinley and Muldrow Glacier, Denali National Park, Interior Alaska, summer

Hiker on a hillside in front of Mt. McKinley and Muldrow Glacier, Denali National Park, Interior Alaska, summer

Tourist viewing Mt. McKinley from Stony Hill Overlook, Denali National Park, Interior Alaska

Scenic view of Mt. McKinley with a park shuttle bus and red fall colors in the foreground in Denali National Park, Interior Alaska, Summer, USA.

Scenic view of Mt. McKinley, Thorofare Pass, and Stony Dome in the foreground with a vehicle on the park road, Denali National Park, Interior Alaska

View of Mt. McKinley and the Thorofare River and Alaska Range, Denali National Park and Preserve, summer, Panorama.