They Built Cities to Assert Their Power. A thousand years later, their walls still speak. This is the story of the builders of the medieval world.

Step into the heart of the Middle Ages, where stone ruled, cities embodied power, and builders became legends. This documentary series brings mythical fortified cities back to life—Provins, Aigues-Mortes, Dinan, Nantes—through the eyes of figures such as Philip Augustus, Saint Louis, Bertrand Du Guesclin, and Anne of Brittany.

Each episode unveils the secrets of their construction: from foundations to ramparts, tools to defense strategies, in a narrative blending human ingenuity and political ambition. With 3D modeling and spectacular AI-generated visual reconstructions, the series immerses viewers in a breathtaking Middle Ages, where architecture shaped empires.