Built on a rocky spur, this fortress (35 000m 2 and 7 floors) is one of the first examples of bastioned architecture in France. Due to its strategic location between France and the German Empire, it was continually strengthened over 500 years. Today..

Thus old Calvin temple dating from 1593 became a church due to the Revocation of the Edict of Nantes. The vast circular chancel dates from 1688.

Built in accordance with Salomon Brosse's designs, it dates from 1613. It has a beautiful façade with bosses.

Set in the centre of the town these 17 and 18C factories are comprised of a main building in the street and several workshops in the wings.. Surviving until today you have the hôtel des Poupart-Neuflize (33, pl. de la Halle), the Gros-Chiens factory ..

A sheet manufacture established in 1646 and which remained operational until 1958. The factory accommodates the Museum of the old sedanais Industries