Transcript for Surviving Alaska With Iditarod Champs
This is world news beyond the headlines from tell -- -- last guy and we're not just riding with sled dogs were riding with some of the top sled dogs in the world Iditarod champs. And the reason we're doing it is to get a look behind the scenes of the new. National Geographic reality show ultimate survivor Alaska. In the -- teams compete to survive for weeks at a time only with what they can carry on their backs in real life. Survival situations in some of the harshest territory on the planet we learned with some of the top competitors on the show things like making a fire in the middle of nowhere shelters no showing. Sled -- even making teeth. From pine needles. For ABC news and Yahoo! News I'm Neil Karlinsky near Tel Kitna Alaska.
This transcript has been automatically generated and may not be 100% accurate.