A host of museums in Paris and Normandy display his masterpieces:  In the Orangery museum, ( Waterlilies), the Marmottan-Monet Museum ( Impression, sunrise), the Orsay Museum ( Rouen cathedral series), the Fine Arts Museum, Rouen ( general view of Rouen), Vernon Museum, ( the Setting sun at Pourville) and  Le Havre MuMa ( the Houses of Parliament, London).
Then you could pop down to the Southampton quayside of Le Havre where it all began, or if you have the time, follow the changing moods of light on the west front of Rouen cathedral, or the cliffs of Etretat. A host of museums in Paris and Normandy display his masterpieces:  In the Orangery museum, ( Waterlilies), the Marmottan-Monet Museum ( Impression, sunrise), the Orsay Museum ( Rouen cathedral series), the Fine Arts Museum, Rouen ( general view of Rouen), Vernon Museum, ( the Setting sun at Pourville) and  Le Havre MuMa ( the Houses of Parliament, London).