High Quality Content by WIKIPEDIA articles! The EAA AirVenture Museum is a museum dedicated to the preservation and display of historical and experimental aircraft located in Oshkosh, Wisconsin adjacent to the Wittman Regional Airport. Paul Poberezny proposed the idea of the EAA Air Museum-Air Education center in August 1958. The current updated museum and headquarters was built in 1982, opening in 1983. The museum`s collection displays over one hundred and fifty planes. The AirVenture Museum is a key tourist attraction in Oshkosh and is a center of activity throughout the EAA AirVenture Oshkosh event each summer.