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

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 harnessed for dog-sledding at Villmarkssenter wilderness centre Kvaloya Island, Tromso, 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

Sled dog tour with Siberian Huskies in Kiruna, Lappland, North Sweden, Sweden

Sled dog tour with Siberian Huskies in Kiruna, Lappland, North Sweden, Sweden

Four dog sleds with Siberian Huskies standing ready to depart in Kiruna, Lappland, North Sweden, Sweden

Alaskan huskies, dog sled team, Finnmark, Lapland, Norway, Europe

Sled dog tour with Siberian Huskies in Kiruna, Lappland, North Sweden, Sweden

Santa Claus, running sled dogs, Alaskan Huskies, dog team, musher, dog sled race near Whitehorse, Fish Lake behind, Yukon Territory, Canada

Sled dog team in front of the mountains of Finnmark, Lapland, Norway, Europe

Sled dog tour with Siberian Huskies in Kiruna, Lappland, North Sweden, Sweden

Dog-sled team, Unterjoch, Bavaria, Germany, Europe

Sign along the trail in Karasjok, Finnmarkslopet, northernmost sled dog race in the world, Karasjok, Finnmark, Lapland, Norway, Europe

Dog sleigh, Wallgau International dog sleigh race, Bavaria, Germany, Europe

Cute husky snow outdoors

The Yukon Quest International Sled Dog Race is considerate by some to be the world?s toughest, and just finishing can be the reward. This year the start line was in Whitehorse, Yukon, where the 1,000 miles (1,600 kilometres) of trail follow the old trav

Woman patting a Husky on a sled dog tour with Siberian Huskies in Kiruna, Lappland, North Sweden, Sweden