Civilian and (mostly) military planes, some seen on airports, but most in museums.
In the USA: The Pioneers of Flight Hall, National Air and Space Museum, Washington DC, 1980 and 2016; the National Naval Aviation Museum in Pensacola, Florida, 1980; the Confederate Air Force (since 2002 renamed Commemorative Air Force) at Rebel Field in Harlingen, Texas, 1980; the National Museum of the United States Air Force at Wright-Patterson Air Force Base, Dayton, Ohio, 2016 and 2018.
In other parts of the world, among others: the Gangneung Unification Park, Korea, 2014; the National Museum of Military History in Sofia, Bulgaria, 2015; National Aviation Theme Park Aviodrome, Lelystad Airport, Netherlands, 2016.