You can spend time browsing the exhibits at Städtische Museen Heilbronn museums in Heilbronn. Take in the museums and countryside in the area.
The centre of Heilbronn is home to cultural attractions like experimenta - Das Science Center, so you might want to stop by during your stay. If you want to experience more of the culture Heilbronn has to offer, head to Städtische Museen Heilbronn museums, Heilbronn Deutschhof, and Stettenfels Castle.