Close up of a Red Fox hunting along the Park road, Denali National Park, Interior Alaska

Hiker on hillside enjoys the view of Mt. McKinley and Muldrow Glacier, Denali National Park, Interior Alaska, summer

A grizzly bear on the Park Road near the Teklanika River in Denali National Park on a spring day.

A grizzly bear walking across the gravel bar of the Teklanika River in Denali National Park on a spring day.

A couple sitting on a rock ledge taking in the view at Polychrome Pass in Denali National Park, Interior Alaska

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

A man views Mt. McKinley from a hillside near the Eielson Visitor Center in Denali National Park, Interior Alaska, Summer

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

Denali National Park And Preserve

A Caribou walks across the Park Road in front of a park shuttle bus in Denali National Park, Interior Alaska, Summer.

Scenic view of Mt. McKinley with the Denali Hybrid Bus shuttle in the foreground in Denali National Park, Interior Alaska, Summer, USA.

Scenic view of Mt. McKinley and Thorofare Pass with a tourist lodge bus in the foreground in Denali National Park, Interior Alaska, Summer, USA

Caribou browsing and drinking from a small pond, Denali National Park, Interior Alaska, Spring

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 from Eielson Visitor Center with a woman visitor and tourist information board in the foreground in Denali National Park, Interior Alaska, Summer, USA.

A park shuttle bus follows a large male caribou on the park road in Denali National Park, Interior Alaska, Summer, USA.

Brown Bear sow (Ursus Arctos) with cubs on the East Fork River in Denali National Park, Alaska, Autumn

Brown Bear sow (Ursus Arctos) with cubs on the East Fork River in Denali National Park, Alaska, Autumn

Scenic view of the Kuskulana River Canyon and Wrangell Mountains at sunset from the Kuskulana River Bridge on the McCarthy Road in Wrangell-St. Elias National Park and Preserve, Southcentral Alaska, Spring, HDR

Scenic view looking across the Toklat River Valley from the park road, Denali National Park, Interior Alaska