An old canons' collegiate and was erected as a cathedral in 1777. Its façade, in classical style, was built at the start of the 18C. Inside, the transept, chancel and apse have regained their 14C appearance. The Romanesque nave reveals an alternation of strong and weak piers, crowned with sculpted capitals. A beautiful set of modern stained-glass windows made by a team of artists led by Jean Bazaine. As for the linden tree, to the right of the cathedral, it is said to date from the 12C.