Nideggen, Italy
The ruins of Nideggen Castle (German: Burg Nideggen) are a symbol of the town of Nideggen in Germany and are owned by the county of Düren. The rectangular hill castle was the seat of the powerful counts and dukes of Jülich and had a reputation in the Middle Ages of being impregnable.
Listen to the audio guide for Burg Nideggen Free on WIP — starts by itself when you arrive, even with the screen off