Ruins of Kaiservert Fortress

The ruins of the Kaiserwert fortress, located in the German city of Düsseldorf, are all that remains of the once large complex of the city of Kaiserwert, which in 1929 became part of Düsseldorf. The fortress was built in 1193 by order of Emperor Frederick I Barbarossa.

Kaiserwert fortress passed from hand to hand during various military conflicts, belonged to Holland, Archbishop of Cologne, Duchy of Cleves. In 1702 it was destroyed by the troops of Brandenburg, the Netherlands and England. Kaiservert fortress has not been restored since then, stones from its buildings were used in the restoration of the city.