Karen Darke talks to Benedict Allen, an adventurer who has used up all nine of his lives, having been initiated into a New Guinea tribe, lost in the desert, and forced to eat a dog. Show more

Karen Darke talks to Pen Hadow, who travelled unaided from Canada to the North Pole in 2003 and now regards conserving the polar regions as a social responsibility. Show more

Karen Darke talks to John Ridgway, who along with companion Chay Blyth successfully rowed across the Atlantic in 1966 and went on to circumnavigate the world three times. Show more

Karen Darke goes into the unknown with modern-day explorers. She meets John Blashford Snell, who led the first expedition to conquer the Blue Nile. Show more