Don't forget the shooting galleries, and the flight (and U-boat?) simulators...
Probably more in lines of recreating things from German glorious past. Modern day Teutonic knight's fortresses, Teutoburg Forest battle recreation site, sites important to German victory in western Europe.....
Isn't this what Brad Linaweaver had the SS do to Burgundy in Moon of Ice?
Yes and I love that short story/novella can't remember the name of it but that was one of the first AH.com stories I read in a collection was I was young.