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Archaeological Crypt (Notre-Dame)
Beneath the parvis of Notre-Dame, the Crypt preserves Gallo-Roman quay walls, house foundations, and thermal baths from Lutetia — the physical remains of the Roman town that underlies medieval and modern Paris. Information panels and reconstructions make the Roman-era urban fabric legible. Maintained by the City of Paris as a museum. Anchor modes: material_layer; custodian | Search hooks: Archaeological Crypt (Notre-Dame); Lutetia Gallo-Roman remains; crypte archéologique Paris; Roman quay walls Île de la Cité
Descend beneath the Notre-Dame parvis to walk on Roman quay walls, view Gallo-Roman house foundations and thermal baths, and read information panels with reconstructions of Lutetia