The Siegerlandmuseum in Siegen’s “Upper Palace” (Oberes Schloss) boasts a large collection divided into four sections:
1. Regional economic history of the Siegerland region
2. Germany’s largest and most famous mineral collection
3. History and portraits of the noble Houses of Orange-Nassau and Nassau-Siegen
4. 19th century period rooms
With beautiful gardens to boost, if you’re in the area of Bonn or Cologne, it’s worth a visit!