Düsseldorf, Imperial Palace Ruins in Kaiserswerth

At the end of the 12th century, emperor Friedrich I. of the Hohenstaufen dynasty, also known as "Barbarossa", had an imperial palace built in Kaiserswerth. Earlier buildings in the same place had been destroyed completely. Over the centuries, Barbarossa's palace was heavily damaged and in the end it was used as a source of building materials for the houses of Kaiserswerth. The remaining parts of the ruins have been partially restored and secured several times in the 20th century. The site is located right on the Rhine river embankment and is open for visitors in the daytime. Every other saturday in the summer, guided tours are offered for a small fee.

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