We're off for a long drive from London to Romania, I'm looking for any kind suggestions of where to stop for a day and enjoy a city/town/etc. We've planned the way out (stop in the north of France to see my parents, stop in Prague for a day, stop in west Romania for a day and then onward to our final destination where we'll be for a week or so, but the way back is pretty much open. I was thinking Vienna for a day, and I was thinking of then dropping down into the north of Italy or Switzerland for a day; we could add another day somewhere on the way, depending on the appeal. So I guess, let the contest begin! Any suggestions appreciated!