In countless twists and turns, the Our winds through the slate slopes of Islek. From the observation point at Waldhof Falkenstein, there is a fantastic view of the notable bend of the Our Valley with the Falkenstein Castle.

The Catholic parish was already built in the Middle Ages and is a protected cultural monument today.

The Langenstein near Holsthum bears a significant name: "Langer Stein" is the translation of the Breton word "menhir".

4 tower and 16 wall towers were originally built into the city fortress. Some of these can still be seen today.

The famous baroque master builder Balthasar Neumann was won over as an architect for the church. The client for this was the noble family of the Counts von der Leyen.