Enter this legendary and imposing monument located on the banks of the Seine right in the middle of Paris and get to see the Guards Room, the medieval Hall of the soldiers, the kitchens built under King John the Good (14th Century). Learn about the Conciergerie at the time of the French Revolution and how it was converted into prison cells where famous prisoners such as Marie-Antoinette were imprisoned. Pursue your self-guided visit to the Sainte-Chapelle and its myriad of stained glass windows. Step outside and be amazed by the oldest public clock in Paris, giving Parisians the time since 1371 !