Siberian Aster along the Marsh Fork of the Canning River in the Arctic National Wildlife Refuge, Summer, Alaska

Denali (Mt. McKinley) from near Eielson Visitors Center along the Denali National Park road, Interior Alaska; Alaska, United States of America

Dog walking in the Brooks range on the Marsh Fork of the Canning River, Arctic National Wildlife Refuge, Arctic Alaska, Summer

Woman backpacker hikes along Upper Fuller Lake in the Kenai National Wildlife Refuge on the Kenai Peninsula in South-central Alaska

Caribou antlers sit on tundra near the Eielson Visitor's Center with patches of melting snow following an early snow with Mt. McKinley partially visible in the background, Denali National Park, Fall.

Aerial View of the Brooks Range in summer, ANWR, Alaska

Visitor Center At Tetlin National Wildlife Refuge, Alaska