Château de Montségur

Château de Montségur - Credit: Wikimedia Commons

The Château de Montségur (English: Castle of Montsegur; Languedocien: ) is a former fortress near Montségur, a commune in the Ariège department in southern France. Its ruins are the site of a razed stronghold of the Cathars. The present fortress on the site, though described as one of the "Cathar castles," is actually of a later period. It has been listed as a by the French Ministry of Culture since 1862. Read more on Wikipedia

type: military installation
date from: 13th century

Source: en.wikipedia.org