Leuchtturm Marienleuchte

Watch the ferries come and go and maybe catch a glimpse of the tunnel construction site.

Tropical aquarium with sharks, mangroves, corals and a big underwater tunnel you can walk through.

Museum about local geology, crafts, cultural history, and seafaring.

Small museum, main exhibit is the 1968-built German cold war era submarine U11. Everything is in German, but even if you don't speak the language: the main attraction here is exploring the different sections of the narrow U-boat.

Sad remains of a castle that was destroyed in the Thirty Years War. Only the moat and some brick walls are left today.

Windmill built in 1787 turned into a museum.