Situated in the Château Benrath, this museum is thematically unique in that it's dedicated to the European garden art in all its facets.
Official website http://www.schloss-benrath.de/entdecken/museum-fuer-europaeische-gartenkunst/
Address Schlossallee 102-106, 40597 Düsseldorf, Germany
Coordinates 51°9'41.825" N 6°52'18.161" E