5/7/2014 World’s Fair Pavilion Loading Map.... World’s Fair Pavilion5600 Clayton Ave - St Louis 38.6320586 -90.27993679999997 Address 5600 Clayton Ave St Louis MO United States Upcoming Events No events in this location Leave a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website See it in person. Schedule a tour