Devil's Castle (Felsberg Castle) near Saarlouis
There are various theories as to why this castle is popularly called the Devil's Castle.

There are various theories as to why this castle is popularly called the Devil's Castle.
Attractions nearby

Culture & Stage
Saarbrücken
St. Arnual Dragon's Teeth (Westwall)
A 700-meter line of Westwall anti-tank obstacles on the Petersberg in Saarbrücken-St. Arnual - the final construction phase of 1940, now a listed monument.

Nature & Parks
Saarbrücken
The Burning Mountain near Dudweiler
Not really a mountain but a rocky ravine - a coal seam has been smoldering inside it for more than 300 years. Goethe visited the Burning Mountain in 1770.

Castles & Palaces
Merzig
Dagstuhl Palace
The palace was built in the 18th century, with a beautiful chapel, a Stations of the Cross and a crypt to visit.