Schloss Arff is a former water castle in the locality of Roggendorf/Thenhoven which belongs to Cologne. It is located 20 km northwest of Cologne city centre...

The Rhein-Erft-Kreis (Kölsch: Rhing-Ärff-Kries) is a district in the west of North Rhine-Westphalia, Germany. Neighboring districts are Neuss, district-free...

and Falkenlust Palaces, Brühl Altes Rathaus Bonn Burg Graurheindorf Schloss Arff Electoral Palace, Bonn Priesterseminar Köln (destructed in 1864) Gatehouse...