WebRangers allows users to rack up nifty-looking badges while completing 47 different educational games like a lesson in how to run a dog sled team, a tutorial on civil war history and a primer in Arctic artifacts.
In a dog sled team, the human controls all the supplies and food and stands on the back of the sled while a team of huskies pull the mass across the snow.
A bit farther north are statues of Mother Goose, Hans Christian Andersen and his ugly duckling, and Balto, the Siberian husky who led the sled team that delivered diphtheria serum to a suffering Nome, Alaska, in 1925.
These are all in Central Park, where Maria Dering will point out the most significant monuments, emphasizing those honoring patriotic service (including, of course, the statue of Balto, the husky who led the sled team carrying anti-toxin to Nome, Alaska, during a diphtheria outbreak in 1925).
Dallas helped train the sled team of his father, Mitch Seavey, who ran the Iditarod for the first time in 1982 and thereafter participated in the event every year from 1995, with victories in 2004 and 2013.
As cultural tourism starts to supplant fur trapping as the major source of income in Nunavut, dog sled team owners in the territory's 28 Inuit communities are increasingly phasing out crossbreed dogs.
Then, at last, the sled team collapse into their bunks inside and the huskies collapse into their kennels outside for a night of much-needed sleep.
Today's video - Omar Khadr's release blocked by a last minute move from the Canadian government, stopping Muslims from voting in the UK election, feasting on foie gras with the Fat Prince, and mushing with Alaska's top dog sled team.
