A Pair of Queens -- The Cunard Line's Queen Elizabeth, the world's largest passenger ship, heads up the North River here today passing America's largest and newest passenger liner, the United States (at pier, centre). The Queen Elizabeth, arriving from Europe, will sail tomorrow on the return voyage. The United States sails on her maiden voyage Thursday. Tall building in left background is the Empire State building, the world's tallest. June 30, 1952. (Photo by AP Wirephoto).