clockwise from north.
Publiched by NikAnt.
Was built in 1545 as the citadel of Jülich Fortress and currently is the oldest citadel to the north of the Alps and the best-preserved bastion fortification in Germany. Discover Jülich Citadel
Was built in the 14th century as the southwestern city gate. Discover Witches Gate
Was built by the French army in 1808 and is the only surviving example of the technology of building fortresses of the French Empire. Discover Bridgehead