The Schreiber Haus is one of the oldest surviving buildings in Bad Arolsen. It is part of the Baroque palace complex. The Schreiber Haus is now a museum, and displays many items relating to the history of Bad Arolsen. In it, you will find historical documents and pictures, 18th century wallpapers, 19th century paintings and an exhibition on the history of the palace. The museum is open year-round and has a small entrance fee.