Pictures, Images and Stock Photos

Snow melts slowly from the mountains as spring approaches at the end of May in south-central Alaska

Pools of tundra water just beginning to freeze for the winter in the Alaskan Arctic in a valley in the Brooks Range

A killer whale comes to the surface below the massive glaciers of the Kenai Fjords in Alaska

A smoky haze hangs over the distant mountains as the sun sets over a lake in Wrangell-St Elias National Park, Alaska

Flames shoot from oil processing facilities at Prudhoe Bay in Deadhorse, Alaska

The Hastings Fire burns the taiga in interior Alaska in June, 2011

Fairbanks, AK, USA February 6, 2016: A musher races to tend the lines on his dog team near the start of the 1,000-mile Yukon Quest

Pastel clouds over the high peaks of the Brooks Range in the Alaskan Arctic

A male dolly varden rests on the rocks in a small Alaskan stream

Probably of the family Glossosomatidae

The sun sets behind snow-capped peaks behind Phelan Creek in the Alaska Range

The Alaska pipeline and Dalton Highway wind through the Brooks Range in Arctic Alaska

A quiet lake mirrors the snow-capped peaks of the Brooks Range in the Arctic National Wildlife Refuge

An Alaskan tundra wolf leaps through the blowing snow near the Arctic National Wildlife Refuge

A long exposure captures the smoothness of the waves at the beach on Madeline Island in the Apostle Islands in Lake Superior

The airport in the remote arctic village of Kotzebue, Alaska juts out into an artificial peninsula near the Chukchi Sea

Three salmon are buried head-first in ice shavings in a hole on a frozen Alaskan lake

Fairbanks, AK, USA March 9, 2015: A musher races down the Tanana River during the opening hour of the Iditarod dogsled race

A humpback whale rises for air

An Alaskan tundra wolf leaps through the blowing snow near the Arctic National Wildlife Refuge, as the Brooks Range looms in the background

Willow, AK, USA March 7, 2010: A female musher's sled dog team runs the 2010 Iditarod out of the starting chute in Willow

Alaska's state bird, the willow ptarmigan, in Denali National Park at the beginning of winter in the middle of molting from summer to winter plumage

These sockeye aka red salmon swam up the Copper River hundreds of miles to reach these spawning grounds

Willow, AK, USA March 7, 2010: Sled dogs running the 2010 Iditarod out of the starting chute in Willow

A large male grizzly bear searches for food in the final days before bedding down for the winter in Denali National Park, Alaska

Twilight shining through Isabel Pass and reflecting off Two Bit Lake

House-sized blocks of ice come crashing down into Prince William Sound in Alaska as pieces of the Harding Icefield flow down this glacier and break away.

Technically a "pharate adult," this is the final aquatic stage of the caddisfly before it emerges as a winged adult

House-sized blocks of ice come crashing down into Prince William Sound in Alaska as pieces of the Harding Icefield flow down this glacier and break away.

A rack of nitrox gas sits on a dive dock

Fairbanks, AK, USA March 9, 2015: A musher races down the Tanana River during the opening hour of the Iditarod dogsled race

Angler releasing an arctic grayling (Thymallus arcticus) while showing off its sailfin

House-sized blocks of ice come crashing down into Prince William Sound in Alaska as pieces of the Harding Icefield flow down this glacier and break away.

Fairbanks, AK, USA February 6, 2016: Sled dogs running the Yukon Quest in Fairbanks, Alaska

A popular restroom stop and photo site in between the Yukon River and the Brooks Range

A part of the Neversink River Unique Area in the Catskills

Looking down on the harbor of the idyllic fishing village of Luarca in northern Spain

An iconic view on the long drive between Fairbanks and Valdez, Alaska

Fairbanks, AK, USA March 9, 2015: A musher races down the Tanana River during the opening hour of the Iditarod dogsled race

Closeup of a hairy aquatic insect adult

The decomposing carcass of a juvenile humpback whale lays on the beach on Kodiak Island, Alaska

Two young ibex males play-fight amidst a group on steep rocks above Zermatt, Switzerland

A large aquatic insect predator

Cold currents ripple beneath a purple sky

The Ribdon River flows west out of the mountains of the Arctic National Wildlife Refuge, already covered in snow in early September

A complex machine in a neurobiology lab

Fairbanks, AK, USA March 9, 2015: A musher races down the Tanana River during the opening hour of the Iditarod dogsled race

Fancy scientific instruments surround a microscope in a research laboratory

Peaking fall colors glow like fire when backlit by the sun rising over the Alaska Range, as seen from the west side of the Denali Highway

Oksrukuyik Creek winds along the Alaska Pipeline beneath the distinctive landmark Slope Mountian on Alaska's North Slope

A lichen-covered boulder sticks up from the alpine tundra near the Denali Highway in the Alaska Range

The highway winds along the Alaska Pipeline on Alaska's North Slope

An decrepit old wooden boat rests along the river bank in the tiny arctic eskimo village of Selawik in Alaska

A tundra lake reflects the setting sun in the high arctic of northern Alaska

One of the most iconic mountains passed by the "Haul Road" in the Brooks Range of remote northern Alaska

The evening sun lights up a craggy peak along the Dalton Highway

Sharp streaks of northern lights (aurora borealis) appear in the first seconds as a new wave of ions crashes into the atmosphere.

A humpback breaches beneath the glaciers of Northwestern Fjord in Prince William Sound, Alaska

A young bull moose stands at attention in Alaska

A bull moose emerges from feeding on underwater vegetation with its antlers dripping wet.