Burg Castle built
1133 CE.
Shown on the map at 51.138°, 7.153°.
Burg Castle (German: Schloss Burg), located in Burg an der Wupper (Solingen), is the largest reconstructed castle in North Rhine-Westphalia, Germany and a popular tourist attraction. Its early history is closely connected to the rise of the Duchy of Berg.
Text from the Wikipedia article Burg Castle (Solingen), licensed CC BY-SA 4.0.