The Pan Am Building is a skyscraper at Park Avenue and 45th Street, north of Grand Central Terminal, in the Midtown Manhattan neighborhood of New York City. Designed in the International style by Richard Roth, Walter Gropius, and Pietro Belluschi and completed in 1962. Now called the MetLife Building it is 808 feet (246 m) tall with 59 stories. It was advertised as the world's largest commercial office space by square footage at its opening The initial plans for the Pan Am Building were altered