Hikers, fall colours and Alaska Range, Denali National Park, Alaska.

Mount McKinley and Alaska Range at sunset from Wonder Lake Campground, Denali National Park, Alaska.

Hikers in a trail and fall colours, Denali National Park, Alaska.

Mountains and sky at dusk from Sable Pass, Denali National Park, Alaska.

The Alaska Native Veterans' Honor Bridge over Tanana River at dusk, Nenana, Alaska.

Alaska Range and fall colours, Denali National Park, Alaska.

View of Exit Glacier and fog in Kenai Fjords National Park, Alaska.

Hurricane Creek from Hurricane Gulch Bridge, Alaska.

Glenn Highway and Mount Drum, Alaska.

Moose, Denali National Park, Alaska.

Mount Mather, Alaska Range, Denali National Park, Alaska.

Mount McKinley from Eielson Visitor Center, Denali National Park, Alaska.

View of Turnagain Arm and mountains from Bird Creek, Chugach State Park, Alaska.

Alaska Range and fall colours at sunset, Denali National Park, Alaska.

Nenana River and mountains, Alaska.

Caribou and fall colours, Denali National Park, Alaska.

Fall colours and Fang Mountain at sunset, Denali National Park, Alaska

Fall colours and Alaska Range, Denali National Park, Alaska.

Sheep Mountain along Glenn Highway, Alaska.

Moose, Denali National Park, Alaska.

Tent at Wonder Lake Campground, McKinley and Alaska Range at sunset, Denali National Park, Alaska.

Pond and fall colours at sunset, Alaska.

Grizzly Bear catching and eating Salmon, Tongass National Forest, Alaska.

Traffic on Parks Highway, Highway 3, after rain, Alaska.

Exit Glacier, Kenai Fjords National Park, Alaska.

Fall colours and Alaska Range, Denali National Park, Alaska.

Fall colours and mountain, Denali National Park, Alaska

Mount McKinley from Eielson Visitor Center, Denali National Park, Alaska.

Fang Mountain at sunset, Denali National Park, Alaska

Alaska Range and fall colours at sunset, Denali National Park, Alaska.

Grizzly bear and fall colours, Denali National Park, Alaska.

Matanuska Glacier along Glenn Highway, Alaska.

Caribou and hikers, Denali National Park, Alaska.

Chistochina River and Mount Sanford, Alaska.

Seward Small Boat Harbor at dusk, Seward, Alaska.

Alaska Range at sunset from Wonder Lake Campground, Denali National Park, Alaska.

Seward Small Boat Harbor at dusk, Seward, Alaska.

Alaska Range and fall colours at sunset, Denali National Park, Alaska.

Nenana River and Parks Highway winds through Nenana Canyon, Alaska.

Fall colours and Alaska Range, Denali National Park, Alaska.

Mount Drum and clouds, Alaska.

Moose, Denali National Park, Alaska.

Mount McKinley at sunset, Denali National Park, Alaska.

Parks Highway, Highway 3, after rain, Alaska.

Grizzly Bear, Tongass National Forest, Alaska.

Matanuska Glacier along Glenn Highway, Alaska.

Mount McKinley and Alaska Range and star trails, Denali National Park, Alaska.

Fall colours and Fang Mountain at sunset, Denali National Park, Alaska

Alaska Range, Denali National Park, Alaska

Mount McKinley at sunset, Denali National Park, Alaska.

Fall colours and Alaska Range, Denali National Park, Alaska.

Curves on Parks Highway, Highway 3, Alaska.

The Alaska Native Veterans' Honor Bridge over Tanana River at dusk, Nenana, Alaska.

Grizzly Bear, Tongass National Forest, Alaska.

View of Turnagain Arm and mountains from Bird Creek, Chugach State Park, Alaska.

Mount McKinley at sunset from Sable Pass, Denali National Park, Alaska.

Bald eagle, Alaska

Camper at Wonder Lake Campground looking Mount McKinley and Alaska Range at dusk, Denali National Park, Alaska.

Nenana River, fall colours and mountains of Denali National Park, Alaska.

Alaska Range, Denali National Park, Alaska.

Mountain and fog from Bird Creek, Chugach State Park, Alaska.

Fall colours and fog at Upper Summit Lake, Alaska.

Fall colours and Fang Mountain, Denali National Park, Alaska

Mount McKinley from Eielson Visitor Center, Denali National Park, Alaska.

Fish Creek and mountains, Tongass National Forest, Alaska.

Wrangell Mountains from Glenn Highway, Alaska.

Bearberry, Denali National Park, Alaska.

Park Road and Mount McKinley, Denali National Park, Alaska.

Hurricane Creek from Hurricane Gulch Bridge, Alaska.

Upper Trail Lake and fog, Moose Pass, Alaska

Park Road and Mount McKinley, Denali National Park, Alaska.

Alaska Range and fall colours at sunset, Denali National Park, Alaska.

Nenana River, fall colours and mountains of Denali National Park, Alaska.

Mount McKinley at sunset, Denali National Park, Alaska.