They are some of the toughest, most extreme survivalists from across the nation. In the second season of Ultimate Survival Alaska, four teams - woodsmen, mountaineers, military veterans, and endurance athletes go head-to-head in an epic arctic competition that only National Geographic could inspire.
Arctic Hell
River of No Return
Into the Void
Sink or Swim
Belly of the Beast
Desolation Island
Desperate Measures
Ice Cold Gamble
Beasts of Prey
Vertical Hell