Museum of Medical Quackery:
http://www.museumofquackery.com/
https://www.smm.org/qmd
Formerly a standalone museum, now part of the Science Museum of Minnesota. A large number of exhibits are currently on display there.
Need some pseudo-science for your game? Here's your go-to place.
Further reading:
https://www.atlasobscura.com/places/museum-quackery