EAA Aviation Museum

The EAA Aviation Museum, formerly 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. The museum is located in Oshkosh, Wisconsin, United States, adjacent to Wittman Regional Airport, home of the museum's sponsoring organization, the Experimental Aircraft Association, and the organization's EAA AirVenture Oshkosh event that takes place in late July/early August.

With over 200 aircraft, indoors and outdoors, and other exhibits and activities, the AirVenture Museum is a key tourist attraction in Oshkosh and is a center of activity throughout the AirVenture fly-in and airshow each summer. The museum is open year-round with the exception of a few holidays.

Source: Wikipedia