Considering the Hotel Lessing-Hof in Braunschweig?
A VT member wrote the following comment about visiting Braunschweig:
Dankwarderode Castle by Leipzig
Dankwarderode Castle was once built in 1175 and was the residence of Henry the Lion. The original building was destroyed in a fire. In 1887 it was rebuilt based on the ground plan of the hall building.