The Altstadt (Old town) of Stralsund which became UNESCO World Heritage in 2002, together with Wismar. The very heart of Stralsund is Alter Markt (Old Market Square) with the 13th century Rathaus (Town Hall), famous for its distinctive arcades.
* Oceanographic Museum (Meeresmuseum), it’s the largest museum of natural science in North Germany located in an 13th century gothic monastery