Situated on the banks of the Neckar, this central borough boasts landmarks like the Old Castle and Staatsoper Stuttgart, as well as art-rich museums such as the Old and New State Galleries.
Altstadt Heidelberg is known for its beautiful river views, and you can make a stop by Heidelberg University Library and Church of the Holy Spirit while in the area.
Baden Baden Old Town is known for its relaxing spas, and you can plan a trip to Friedrichsbad and Casino Baden-Baden while you're in town.
While visiting Altstadt Konstanz, you might make a stop by sights like Konstanz Harbor and LAGO Shopping-Center Konstanz.
You'll enjoy the museums and churches in Mannheim City Centre. You might want to make time for a stop at Mannheim City Hall or Mannheim Palace.