Ancient ruins & archaeological sites

Crypte Archéologique

Crypte Archéologique is an archaeological site located in the heart of Paris, beneath the square in front of Notre-Dame Cathedral. This unique attraction showcases the remnants of ancient Paris, including Gallo-Roman structures, medieval artifacts, and various layers of the city's history. Its distinctive feature is the transparent glass floor that allows visitors to view the archaeological remains while walking above them, providing an immersive experience into the city's past.