A sprawling coastal fortification system built across Western Europe aimed to deter invasion, revealing extensive concrete batteries, bunkers, and command networks whose flaws accelerated its downfall. Forged in fear of an Allied invasion, Hitler's Atlantic Wall emerged as one of the most ambitious defensive systems ever constructed in Europe. Stretching over 1,600 miles across the coasts of France, Belgium, the Netherlands, Denmark, Norway and the Channel Islands, this vast network of concrete fortifications was designed as an imposing barrier against attack. Yet rather than a single, unified project, the Atlantic Wall evolved as a complex patchwork of coastal batteries, bunkers and strongpoints, quickly assembled by German naval and army forces in a desperate race against time. Drawing upon a remarkable collection of over 130 rare and previously unpublished photographs, this compelling Images of War book reveals how these formidable structures were built at immense cost in both manpower and materials. Reinforced concrete casemates housed powerful naval and army guns, some mounted within multi-storey emplacements capable of dominating vast stretches of coastline. Batteries such as Lindemann, Friedrich, August and the imposing Todt Battery at Cap Gris-Nez stand as enduring symbols of the Wall's intended might. Supporting them lay a hidden world of command bunkers with sleeping quarters, operations rooms and observation posts, all designed to support a coordinated defence against invasion. Yet despite its imposing appearance, the Atlantic Wall was far from impregnable and had major strategic flaws. Even under the direction of Erwin Rommel - tasked with strengthening its defences through mines, obstacles and strategic reinforcements - the system remained riddled with critical weaknesses. When Allied forces launched their assault on 6 June 1944, these flaws were laid bare. This is the story of a grand defensive vision undone by miscalculation, flawed intelligence and the relentless tide of war.