In the International Congress Centre. Opening hours are: Friday 15:00-19:00, Saturday 10:00-18:00, Sunday 08:00-09:30
The route takes you through the pub-filled New Town (one of Europe's largest Gründerzeit-style districts), over the Waldschlößchen Bridge to the Grand Garden, and back to the historic city centre full of famous sights.
At the International Congress Centre on Saturday from 12:00 to 18:00.