The Grand Bunker — Museum of the Atlantic Wall is a unique historical site located in the coastal town of Ouistreham, Normandy, France. The museum is housed inside a massive concrete bunker that was once a German command post and part of the famous defensive line — the Atlantic Wall.

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This is not just a museum, but a true immersion into history. The bunker building, standing 17 meters tall, consists of six floors, each of which has been meticulously restored to recreate the atmosphere of World War II. Visitors can explore all levels — from the engine room and ammunition store to the radio room and the observation post at the very top.
Inside the bunker is a rich collection of exhibits detailing the construction of the Atlantic Wall, the daily life of the garrison, and the events of the D-Day landings in Normandy. The exhibition includes authentic equipment, documents, weapons, and soldiers' personal belongings. The top floor offers a panoramic view of the coast, providing a better understanding of the strategic importance of this location.