The Klause Kastel is a 19th-century sepulcher for John of Bohemia, a famous 14th-century knight who, according to legend, commanded an army while blind. The sepulcher is, however, built into a cliffside complex of ancient caves carved out in the 10th-15th centuries as monastic hideouts. This hike takes you along some of the most spectacular vistas of the Saar Valley to an exciting relic of medieval history.

How to Get Here:

• Thie hike starts and ends in the town of Serrig, reachable by train from Sarbrücken or Trier.