The Citadelle de Namur is a historic fortress transformed into a major tourist destination offering two millennia of European military and urban history. The complex features the Terra Nova Visitor Centre, 450 meters of underground passages with 3D animations, a medieval experience, the 12th-13th century Château des Comtes, artisan workshops including a working forge and perfume studio, a cable car connection to downtown, Queen Fabiola Amusement Park, dining venues, and contemporary sculpture installations. The site blends heritage preservation with recreational attractions, making it both an educational landmark and family destination.