The EAA AirVenture Museum is a museum dedicated to the preservation and display of historic and experimental aircraft as well as antiques, classics and warbirds. It's located in Oshkosh, Wisconsin, adjacent to Wittman Regional Airport, home of the museum's sponsoring organization, the Experimental Aircraft Association (EAA), and the organization's EAA AirVenture Oshkosh event (the world's biggest fly-in and airshow) that takes place in late July/early August.