East end of the building that now houses the Queens Museum was built for the 1939 World's Fair, used as a temporary United Nations in 1947, then again as the New York City Pavilion for the 1964-65 World"s Fair.
Queens Museum World's Fair exhibit, from May 1995
Queens Museum World's Fair exhibit from May 1995 Detail from: http://swc-biogon.smugmug.com/photos/528941605_LP3He-L.jpg