Watch HDToday. The Arctic is accessible to man only because of ice dogs. As hunters, haulers, and guardians, they have been our vital link to nature for thousands of years. Dogs led the Sarqaq people out of Siberia and, a millennium later, led explorers to the North Pole. As the light returns to Greenland, we arrive in Scoresbysund with a troop of the only companions worth having in this harsh environment.