Notre-Dame Cathedral, which is the finest example of French gothic art, overlooks the Place du Parvis (Church Square). Most important and most impressive of all churches in Paris, the Cathedral was begun by Bishop Maurice de Sully in 1163; the Foundations and the main walls were ready by 1250. but the Cathedral was not completed until 1330.

It was restored by Viollet-le-Duc The steeples are 69 meters high; a staircase goes up the south steeple and a splendid panorama may be seen from the top.

It would take about two hours to make a thorough visit of the Cathedral Special attention should be paid to the Galerie des Rois (King's Gallery), the Great Rose window, the Grande Galerie (Main Gallery), the Portals, the Nave, the Stained glass windows in the transept, the Choir, the Treasury, the Closter Portal, the Red Door, the Chevet, the Spire and Saint Etienne Portal Visit of the towers, every day.