I spent at least six hours at the Transit Museum in Luzern today. The sheer amount of stuff they have on display is incredible, here are some photos from a few of the exhibits:
Close up of a percussion drill used to bore holes in mountains for inserting dynamite:

A train brake, wheel linkages, and part of an electric train engine:
Part of the space exhibit included examples of 70s "Space" style furniture and toys:

A replica of the mars rover:

Part of the huge exhibit displaying all kinds of airplane engine designs:
