12th and 13th century church, its construction shows different architectural influences ranging from Romanesque to the height of Gothic architecture. It houses the relics of the Roman martyr Saint Helidor as well as a reproduction of the Florentine painter Giovanni Antonio Sogliani’s painting The Madonna and Child with Saint John the Baptist.Free guided tours in French of the church and the seaside resort. Thursday at 2:30 p.m. all summer. Without reservation

• Address: Rue de la Mairie, 14830 LANGRUNE-SUR-MER
• Phone: View phone number02 31 97 31 36