These are the best art museums in Paris. (Not including the Pompidou, the Jacquemart-André, and all the others.) What’s great about them: They’re remarkably close together, making for a walking tour that will offer, without a doubt, the greatest day’s worth of art history in one tidy package. Of course, the better thing to do would be to spread these four visits out to four days — or even better, four weeks/years. But an exceptionally ambitious visitor could see all the best art museums in Paris in a single day (er, not Monday or Tuesday, given the various closing days) if desired. Here’s your map — and below it, brief descriptions about four legitimately magical places.