Pre-historic adventure movie 10,000 B.C. has roared its way to the top of the U.S. box office chart with weekend (07-09Mar08) takings of $35.73 million (GBP17.87 million). Director Roland Emmerich's epic film beat out competition from Martin Lawrence comedy College Road Trip to land the number one spot. College Road Trip is at two with $14 million (GBP7 million), while political thriller Vantage Point falls a place to three with $7.5 million (GBP3.75 million). Last week's number one, Semi-Pro, drops to four with $24.84 million (GBP12.42 million).