The largest nongovernment funded air & space museum with 6 hangars, 80 acres, 400 historic aircraft, 125,000 artifacts, and infinite opportunities for discovery! We're one of the world's largest aircraft collections including three hangars of World War II planes, the SR71, world's smallest biplane, the oldest B52 in existence, an Air Force One, the world's first 777, and much more. There are seemingly endless unique civil, commercial, experimental, and military aircraft here documenting the evolution of flight.