There are a number of museums in the United States that feature airplanes used during World War II. The best known of these is the Smithsonian National Air and Space Museum located in Washington, D.C. As of 2015, the Smithsonian's extensive World War II collection includes an American P-51 Mustang, a German Messerschmitt, a Japanese Zero and a British Spitfire as well as a plethora of other aviation memorabilia.
The National Museum of the U.S. Air Force, located near Dayton, OH, has an entire aircraft hangar filled with World War II aircraft, all of which have been carefully restored. As of 2015, more than 50 World War II planes are on display at the museum including fighter planes, bombers and cargo carriers from both Allied Powers and the Axis Alliance. Also on display are examples of early helicopters which first saw action in World War II.
On the West Coast, the Museum of Flight in Seattle, WA, displays 10 World War II era fighter planes. The museum's collection includes planes from all of the conflict's major combatants.
In New Orleans, LA, the National WWII Museum has seven American World War II planes on display. Each plane has been restored to its original wartime appearance. The display is housed in the U.S. Freedom Pavilion: The Boeing Center.