The Saint-Séverin church, Rue Saint-Séverin, is gothic in style. See the front portal (Xllth century) windows, taillings and rosewindows (XVth century), tympanum above the porch of Saint-Martin's Towers; capitals on the pillars are interestings, the ambulatory-masterpiece of flamboyant style-is marvellous; there are some fine XVth and XVlth century stained glass windows, frescoes (Hippolyte and Flandrin).