If the day's weather forecast is grim, why not head to Ostdeutsches Heimatmuseum? You'll be fascinated by just how much you can uncover about days gone by here.
This collection of historical artifacts is situated in Schleswig, a destination that has so much going for it! Viking Museum Haithabu, Schloss Gottorf, and St. Peter's Cathedral are other interesting sightseeing choices close by when you've had your fill of Ostdeutsches Heimatmuseum.