Archaeological Crypt of the Île de la Cité

Beneath Notre-Dame Cathedral’s square, the Archaeological Crypt of the Île de la Cité offers a captivating journey through over 2,000 years of Parisian history. Excavated in the 1960s and 1970s, the crypt showcases the city’s architectural evolution, from the remnants of the Gallo-Roman town of Lutetia to significant developments in the 18th and 19th centuries. Visitors can explore the well-preserved layers of the past, including ancient walls, foundations, and artifacts, providing a tangible connection to the origins of present-day Paris.