04/12/2011 13:27:00 United States Science Pavilion04/12/2011 13:27:44 United States Science Pavilion04/12/2011 13:27:50 United States Science Pavilion04/12/2011 13:28:24 United States Science Pavilion04/12/2011 13:29:10 United States Science Pavilion04/12/2011 13:24:52 1962 World's Fair honorary plaque04/12/2011 13:25:58 Seattle Center04/12/2011 13:30:28 Housing04/12/2011 13:33:56 Windmill04/12/2011 13:28:50 Whale