The Ludwig Museum was opened as a municipal museum of contemporary art, with an emphasis on art in France.

Of the Deutschherrenhaus and Blumenhof erected by the Teutonic Order of Knights, only the former administrative building survives, surrounded by carefully-tended gardens and with the venerable Church of St. Castor as a background. The Ludwig Museum was opened as a municipal museum of contemporary art, with an emphasis on art in France. The gardens surrounding the building, the Blumenhof (courtyard of flowers), are also worth a visit.

http://www.ludwigmuseum.org/