Winter in Alaska is synonymous with snow, and lots of it. Heavy snowfall blankets the state, creating a stunning white landscape that's both beautiful and challenging. This snowy wonderland ...

Haines lived in extreme winters in that land of cold rivers, salmon, volcanoes, and glaciers. He tracked animals for food with frostbite always a subtle threat. One night a man knocked on his door.

Taken using a remote camera, the footage shows a mother polar bear walking across the snowy landscape—followed, one after another, by her three cubs. The juveniles appear to slip and slide as ...