The Château de Carcassonne is a medieval fortress located in the city of Carcassonne, France. It is renowned for its well-preserved double walls and numerous towers, which date back to the Gallo-Roman period. The fortress was designated a UNESCO World Heritage Site in 1997, attracting visitors with its impressive architecture and historical significance. The castle played a crucial role in the defense of the region during the Cathar Wars and has a rich history that reflects the turbulent past of southern France. Today, it serves as a popular tourist destination, offering guided tours and insights into its storied past.