March 31st, 2009: The Eiffel Tower celebrates its 120th anniversary Tuesday with a year-long project to apply a new coat of bronze paint. The once-controversial tower now boasts seven million visitors a year and is one of the world's most recognizable structures. We spotted many celebrities visiting the legendary tower over the years. Among them: Hayden Panetierre and the entire cast of Heroes, Arnold Schwarzenegger, John Travolta, Halle Berry, Pete Doherty, Jessica Alba, Denise Richards and Richie Sambora, Jane Birkin...