Fear: Our Ultimate Challenge

Sir Ranulph Fiennes, Bt OBE

Sir Ranulph Fiennes has climbed the Eiger and Mount Everest. He's crossed both Poles on foot. He's been a member of the SAS and fought a bloody guerrilla war in Oman. And yet he confesses that his fear of heights is so great that he'd rather send his wife up a ladder to clean the gutters than do it hims...