Speaking of invisible things, the Museum of Flight in Seattle put Wonder Woman's Invisible Plane on display a few years ago and more recently loaned it to the Smithsonian National Air and Space Museum for display [0] [1]

[0] https://m.youtube.com/watch?v=ig4aJey9QZM

[1] https://www.museumofflight.org/aircraft/Wonder-Womans-Invisi...