Bridge Over the Water Lily Pond, 1905.In earlier works, Monet painted the footbridge in a crisp, distinct arc. Here, its faint, shadowy curves blend into greenery of the natural surroundings.

Exactly 150 years ago, Monet, Degas, Renoir and their pals spurred an artistic revolution. Can we still see the defiance behind the beauty, and the schmaltz?