Rouen Cathedral (Cathédrale Notre-Dame de Rouen)

Rouen Cathedral — Cathédrale Notre-Dame de Rouen — rises above the historic centre of Rouen, Normandy, its elaborate stone west facade one of the most studied surfaces in the history of art. Claude Monet painted this facade more than thirty times between 1892 and 1894, capturing its appearance under different light conditions; the resulting series transformed how painters understood atmospheric light. The cathedral's construction spans almost nine centuries, from the Romanesque crypt of 1037 to the Flamboyant Gothic north tower completed in 1506, producing a building of extraordinary layered complexity. The iron central spire added in 1876 soared to 151 metres, making it briefly the tallest structure on earth. Inside, the nave runs 137 metres east to west, its soaring Gothic vaults supported by clusters of slender columns. The ambulatory holds the tomb of Richard I of England (Richard the Lionheart), who donated his heart to Rouen as a mark of affection for the city. The treasury contains medieval ivory carvings, reliquaries, and an extraordinary collection of liturgical silver. The Tour de Beurre (Butter Tower) on the north contains a famous 16th-century Renaissance staircase. Evening light shows are projected onto the west facade through the summer (late June to mid-September), filling the square with spectators. Entry to the cathedral is free. A thorough visit to the interior and treasury takes one to two hours, while the summer evening light shows extend the experience into a full evening event.