[Dick Linn]

If you get to the Smithsonian in D.C., do check out one of the older Smithsonian buildings across the mall, near that new round art gallery. One has a display of old machine tools that is absolutely fascinating if you are into machining. I think it's one of those old red brick buildings that looks a bit like a castle.

I did once get a tour of the Tokamak fusion reactor at Princeton University, but that's been shut down, unfortunately.