20 Movies So Unbelievable They Must Be True 

Ben Affleck's early Oscar contender 'Argo' is a political thriller you have to see to believe. Based on the astonishing true story of the unconventional rescue of six U.S. diplomats from Tehran during the 1979 Iran hostage crisis, it's something only Hollywood could dare to dream up. In honor of Argo we look back other movies whose stories are so outrageous and unbelievable they had to be true because, well, they were.