Flightseeing through peaks of Mt. Denali and the Alaskan mountain range, Alaska, United States of America, North America

Flightseeing through peaks of Mt. Denali and the Alaskan mountain range, Alaska, United States of America, North America

Flightseeing through peaks of Mt. Denali and the Alaskan mountain range, Alaska, United States of America, North America

Aerial shot of Alaskan Mountain Range, Alaska, United States of America, North America

Young forest trees are sprouting up. In the background is the start of a large mountain range in the Alaskan Interior. So high, the mountains have snow caps. The Interior, Alaska, USA

Clear blue sky with thin fluffy clouds over mountain range in the Alaskan Interior, leading down to the water's edge. Lake bordered by dense forrest. The Interior, Alaska, USA

A lone tree stands on a bank overlooking a vast valley and mountain range many miles away. Sunny day with blue sky in the Alaskan Interior. The Interior, Alaska, USA

Perfect reflection of Alaskan mountain range in lake, Alaskan Interior. Clear blue sky. The Interior, Alaska, USA

Man, musher running, driving a dog sled, team of sled dogs, Alaskan Huskies, frozen Lake Laberge, Yukon Territory, Canada

Portrait of sled dog, floppy ears, Yukon Territory, Canada

Men, mushers with dog sleds, teams of sled dogs, Alaskan Huskies, frozen Lake Laberge, Yukon Territory, Canada

Caucasian woman in her 40's smiles as she digs deep with her paddle into the river, guiding her yellow packraft down the crystal clear Marsh Fork River, in the Brooks Range, on a sunny summer day, Arctic National Wildlife Refuge, Alaska, while another boat is in the background way behind her; Alaska, United States of America

Dehavilland Beaver taking off from tundra bush airstrip in late summer, with a caribou rack marking the end of the runway, Brooks Range, Upper Marsh Fork Valley, Arctic National Wildlife Refuge; Alaska, United States of America

A Man Hiking Near An Unnamed Lake Near The Harding Icefield Trail In Kenai Fjords National Park On A Summer Day, South-Central Alaska, Alaska, United States Of America

A caribou rack lit up by the sun, marks the end of a remote bush airstrip in the Upper Marsh Fork Valley, Brooks Range, Arctic National Wildlife Refuge; Alaska, United States of America

Hiking trail leading along a ridge in a mountain range, Alaska, United States of America

Killer whale (Orcinus orca) surfacing beside the Coastal range, Inside Passage, Lynn Canal; Alaska, United States of America

Woman wearing a red rain coat walks on the tundra towards the setting late summer sun in the Brooks Range, Arctic National Wildlife Refuge; Alaska, United States of America

Rainbow over autumn coloured tundra, Alaska Range in the background, Interior Alaska in autumn; Cantwell, Alaska, United States of America

A Man Hiking Near An Unnamed Lake Near The Harding Icefield Trail In Kenai Fjords National Park On A Summer Day, South-Central Alaska, Alaska, United States Of America

Two caucasian women walk barefoot across a creek with moss in it towards the other shore where a man is waiting for them on a sunny summer day in the Brooks Range, Marsh Fork Valley, Arctic National Wildlife Refuge; Alaska, United States of America

Denali National Park and Preserve as seen from Peters Hills with 20320' Mount Denali, formally know as Mount McKinley, and the Alaska Range, Trapper Creek, Alaska, United States of America

Woman backpacker and her dog backpacking on the Kesugi Ridge Trail in Denali State Park with views of Denali National Park and the Alaska Range in the background, Alaska, United States of America

A Man Hiking Near An Unnamed Lake Near The Harding Icefield Trail In Kenai Fjords National Park On A Summer Day, South-Central Alaska, Alaska, United States Of America

Rainbow over autumn coloured tundra, Alaska Range in the background, Interior Alaska in autumn; Cantwell, Alaska, United States of America

Humpback whale (Megaptera novaeangliae) lifts it's fluke as it feeds in Lynn Canal, with Herbert Glacier and Coast Range in the background; Alaska, United States of America

A Man Hiking Near An Unnamed Lake Near The Harding Icefield Trail In Kenai Fjords National Park On A Summer Day, South-Central Alaska, Alaska, United States Of America

Caucasian man in his 30's, sitting down and looking through binoculars, glassing for wildlife, while a caucasian woman sitting down next to in her 40's look at the mountains in the same direction, while on a break from hiking, Brooks Range; Alaska, United States of America

Caucasian woman wearing red drysuit, drags her yellow packraft down a shallow braid of the Marsh Fork river, while a caucasian man wearing orange drysuit paddles a blue boat downriver, through the Brooks Range mountains, Arctic National Wildlife Refuge, Alaska on a sunny summer day; Alaska, United States of America

A man paddles a packraft across Landmark Gap Lake with the Alaska Range in the distance, Alaska, United States of America

A woman paddles a packraft across Landmark Gap Lake, off the Denali highway, with the Alaska Range in the distance, Alaska, United States of America

Antlers signpost by Koyukuk River, Brooks Range is in the background, Arctic Alaska in autumn; Wiseman, Alaska, United States of America

Woman backpacker and her dog pause to take a picture of the Alaska Range while hiking on the Kesugi Ridge Trail in Denali State Park, Alaska in the autumn, Alaska, United States of America

Sea lions leaving the water for shore along the coast of Alaska with a rugged mountain range in the background; Alaska, United States of America

Mountain range reflects on Mentasta Lake with fall coloured foliage under blue sky, Tok cutoff from the Glenn Highway, South-central Alaska in autumn; Alaska, United States of America

Clouds rolling across mountain peaks in the Talkeetna Range in South-central Alaska on a sunny summer day, Alaska, United States of America

View from the Kesugi Ridge Trail across to the partially clouded Alaska Range, Denali State Park, Alaska, United States of America

An aerial scenic of the Alaskan Railroad trestle crossing the Snow River on a sunny summer day in South-central Alaska, Alaska, United States of America