The filming of this episode included several technical achievements for the BBC Natural History Unit:
: The first exploration and filming of the volcano's ice caves by a film crew. "Frozen Planet" The Last Frontier(2011)
: Hunters are shown scaling sheer cliffs to collect guillemot eggs, a vital but dangerous source of food. Modern Arctic Presence : The filming of this episode included several technical
: The Danish Armed Forces maintain a claim to Greenland through an epic 2,000-mile winter patrol using traditional sled dogs. "Frozen Planet" The Last Frontier(2011)
: The episode features some of the coldest permanent human settlements on Earth. Antarctic Exploration & Science :
