Step inside one of Paris’s most historic landmarks on the Île de la Cité. The Conciergerie, once a royal palace and later a Revolutionary prison, offers visitors a powerful journey through centuries of French history, including the final days of Marie Antoinette. Travelers will explore its impressive Gothic halls, medieval architecture, and atmospheric prison cells, discovering stories that shaped the French Revolution. This self-guided experience provides a fascinating glimpse into Paris’s past at the heart of the city.