Places with audio guides

The extensive ruins above Scherwiller recall Alsatian border wars, a medieval fief, and the later destruction during the Thirty Years' War.

The medieval ruin in Chaillac, with its surviving tower, gate, and remnants of the walls, recalls an important seigneurial residence from the 10th to the 15th century.

A vast ruined spur castle above the Thaya with a donjon, gate, towers, and the Czech Wall from the mid-fifteenth century.

The largest and best-preserved castle complex in the Bernese Oberland, with a tower and views over the Aare, Lake Thun, and Niesen.

The extensive ruins of the castle on a hill above the village of Albiol offer remnants of walls and towers, as well as far-reaching views over the Baix Camp region.

The unobtrusive ruin above Ilanz recalls a medieval fortress with a massive tower, whose masonry still reveals the quality of the building work around 1200.

The ruins of the castle on a steep rocky outcrop above Roussillon recall Roman, Visigothic, and medieval fortifications as well as a pilgrimage tradition.

A medieval ruin above the Thaya in Lower Austria, first mentioned in 1194. It recalls the border castle network as well as the changing nature of lordship.