Getting There
1h-1.5h by train (ICE); 1h45 minimum for regional train (RE), up to 2h48m (RB)
About
One of the oldest cities in Bavaria. Could be combined with a trip to Rothenburg ob der Tauber.
Wikipedia
15 Best Things to Do
Ingress Missions
Altes Rathaus Nürnberg (about 1h15)