The church of Saint Martin de Somsois dates from the first Gothic period, but was thoroughly restored in the 16th and 19th centuries. The three-bay nave is covered with sexpartite vaults which have been preserved in the first two. The two-bay choir is flanked by aisles and chapels. The three-sided apse dates from the 16th century. The west façade has retained its three portals. The central pointed arch portal was flanked by two column statues, of which only one remains (13th century). In the choir there are 4 painted panels from the 16th century, including a crucifixion.