Explore intact WWII bunker, former U-Boat officers' HQ with marine frescoes, 30 min archive videos, 280m² immersive path on La Rochelle 1939-1945. 1h self-paced. Location: 8 rue des Dames, 17000 La Rochelle. All ages. Limited wheelchair access. Reduced rates with ID. Pets ok. Not skip-the-line.