Lake Louise, Banff National Park, UNESCO World Heritage Site, Rocky Mountains, Alberta, Canada, North America

Lake Louise, Banff National Park, UNESCO World Heritage Site, Alberta, Canada, North America

Alaskan Huskies dog-sledding at Villmarkssenter wilderness centre on Kvaloya Island, Tromso in Arctic Circle, Northern Norway

Alaskan Huskies dog-sledding at Villmarkssenter wilderness centre on Kvaloya Island, Tromso in Arctic Circle, Northern Norway

Alaskan Huskies dog-sledding at Villmarkssenter wilderness centre on Kvaloya Island, Tromso in Arctic Circle, Northern Norway

Alaskan Huskies dog-sledding at Villmarkssenter wilderness centre on Kvaloya Island, Tromso in Arctic Circle, Northern Norway

Running, mushing sled dogs, Alaskan Huskies, dog team, child, young boy, musher, dog sled race near Whitehorse, Yukon Territory, Canada

dogteam with musher, Lake Laberge, Yukon Territory, Canada

Mushing, Tarvisio, Friuli-Venezia-Giulia, Italy

A dog team departs the starting gate in Willow, Alaska at the 2010 Iditarod Trail Sled Dog Race.

A dog team departs the starting gate in Willow, Alaska at the 2010 Iditarod Trail Sled Dog Race.

Launa Kohrina competes in the first day of the in the Junior North American, International Federation of Sleddog Sports Junior World Championships in Fairbacks, Alaska. She was in the 4-Dog race, and she is 14-years-old.

Eleven-year-old David Stepp races in the 2-Dog race on the first day of the in the Junior North American, International Federation of Sleddog Sports Junior World Championships in Fairbacks, Alaska.

The parking lot at the Junior North American, International Federation of Sleddog Sports Junior World Championships in Fairbacks, Alaska is full of trucks with dog houses. Dogs that are either waiting to race, or have already raced, often poke their heads out to get some fresh air and look around.

A musher departs the starting gate in Willow, Alaska at the 2010 Iditarod Trail Sled Dog Race.