Château de Peyrepertuse - Credit: Wikimedia Commons
Peyrepertuse (Languedocien: Castèl de Pèirapertusa) is a ruined fortress and one of the so-called Cathar castles located high in the French Pyrénées in the commune of Duilhac-sous-Peyrepertuse, in the Aude département, and has been associated with the Counts of Narbonne and Barcelona. It was the former seigneury of the Peyrepertusès (in Occitan Pèirapertusés) which means "pierced stone." Read more on Wikipedia
Source: en.wikipedia.org