Nestled in the heart of the fortified sector of La Crusnes, a pearl of the Maginot Line awaits you: Ouvrage A5 du Bois du Four. This masterpiece of military engineering, erected from 1932, fascinates with its imposing 6 cubic meter monolithic block of reinforced concrete. Having braved the test of time and the horrors of war, this unconquered structure now reveals its secrets thanks to a meticulous restoration carried out for over 000 years by passionate volunteers. Their work has brought back to life unique equipment such as an 30 mm type B mortar firing chamber, a rare technical treasure in northeastern France. During this immersive two-hour tour, let yourself be transported into the daily life of the concrete soldiers, those courageous men who, in May-June 81, held their post despite the incessant bombardments of German artillery. Relive the epic battles where Ouvrage A1940, supported by its anti-tank guns, mortars, machine guns, and a 5-ton turret, fought back relentlessly to protect the Lorraine region. This journey into the past is enriched by a meticulous museography—combining technical details and captivating stories—highlighted by a unique collection of some of the most beautiful murals of the Maginot Line, saved from ruined structures thanks to a unique technique of removal and enhancement. Whether you are passionate about military history or simply curious, Ouvrage A96, a veritable repository of the daily life of the fortress troops, promises you an unforgettable experience that blends memory, emotion, and discovery. In Villers-la-Montagne, on the RN5, take the exit and head towards Morfontaine.