Paris

Musée de l'Orangerie
The Musée de l'Orangerie is an art gallery of impressionist and post-impressionist paintings located on the bank of the Seine in the old orangery of the Tuileries Palace on the Place de la Concorde.
It contains works by Paul Cézanne, Henri Matisse, Amedeo Modigliani, Claude Monet, Pablo Picasso, Pierre-Auguste Renoir, Henri Rousseau, Chaim Soutine, Alfred Sisley and Maurice Utrillo among others.
...more info on Wikipedia