Below the Parvis Notre-Dame, the square in front of the cathedral are excavations that reveal 16th to 18th Century houses, Gallo-Roman remains, and other archeological finds.
Some attractions within Excavations under Parvis Map:
  • (a) Ticket office
  • (b) Late Gallo-Roman rooms (3rd c. A.D.) with hypocaust
  • (c) Exhibits on history of Paris (model)
  • (d) Late antique wall
  • (e) 19th c. drain
  • (f) Late antique wall
  • (g) Corner of foundations of old foundling hospital
  • (h) Section of old Rue de Venise
  • (i) Base of GalloRoman column
  • (k) Case showing fin
  • (l) Remains of cellar house in Rue Neuve de Notre-Dame
  • (m) Gallo-Roman room with tiles