Unterhof Castle was first mentioned in a document in 1185. It served as the seat of the stewards of Diessenhofen. In Rudolf of Habsburg in 1264, who incorporated the stewards of Diessenhofen into his service. Until 1399, the castle was expanded with the two-part east wing (northeast and southeast tracts) and the keep, as well as reinforced with a new defensive wall.
Unterhof has been renovated extensively since 1990. The old part of the castle continues to function as a restaurant.
The Château de Foix dominates the town of Foix. An important tourist site, it is known as a centre of the Cathars. Built on an older 7th-century fortification, the castle is known from 987. In 1002, it was mentioned in the will of Roger I, Count of Carcassonne, who bequeathed the fortress to his youngest child, Bernard. In effect, the family ruling over the region were installed here which allowed them to control access to the upper Ariège valley and to keep surveillance from this strategic point over the lower land, protected behind impregnable walls.
In 1034, the castle became capital of the County of Foix and played a decisive role in medieval military history. During the two following centuries, the castle was home to Counts with shining personalities who became the soul of the Occitan resistance during the crusade against the Albigensians.