The MetLife Building is a skyscraper located at 200 Park Avenue at East 45th Street above Grand Central Terminal in Midtown Manhattan, New York City. Built in 1958–63 as the Pan Am Building, then headquarters of Pan American World Airways, it was designed by Emery Roth & Sons, Pietro Belluschi and Walter Gropius in the International style, and is one of the fifty tallest buildings in the United States.