Warnemünde walking tour with photo stops (1 hour) and walking tour of Rostock old town (4.5 hrs). From Warnemünde you take the train/tram to Rostock and you will see the Kröpeliner Straße and the Kröpeliner Tor, the New Market Square, the Rostock City Wall and gates, the Town hall, St. Marien Church, the University, etc. Then return to Warnemünde.