Clockwise from top left: 'Avatar,' 'The Terminator,' 'Titanic' and 'Aliens' 20th Century Fox/Courtesy Everett Collection (3); Orion Pictures Corporation/Courtesy Everett Collection A man directs the most expensive movie in history. His next film costs twice as much - and makes more money than any movie ever. His next earns more. He dives to the deepest point in the ocean, travels to Antarctica, advises NASA, farms. He marries various fascinating women.