Things to do in Boulogne-sur-Mer

Around Boulogne-sur-Mer, Notrebellefrance lists 8 tourist sites within 18 km, including 2 museums, 2 natural wonders and 2 castles. Not to be missed: Nausicaa Cap au Sud, Le Cap Gris-Nez and Château-musée de Boulogne-sur-Mer.