Musée le Grand Blockhaus
The Musée le Grand Blockhaus (Museum of the Great Blockhouse) is housed within a former German fortified command post for the Atlantic Wall: the line of coastal fortifications from Norway to the Spanish border. Construction was begun in October 1942 and completed in February 1943; disguised as a French villa, the installation directed coastal defence and cannon fire from neighbouring Batz-sur-Mer. It was staffed by the 280th Naval Artillery Battalion (Coast Artillery) of the German Navy. Following the Normandy Landings of June 1944, the blockhouse became part of the encircled St.