I'm planning to visit to Paris for 4 days in April. I'm thinking about to visit : 1.Louvre 2 Pompidou 3 Versailles and 4.Notre dame de Paris. I have read about Paris Museum Pass for 2 days cost 39EU. The total cost of the above museums is 45EU. My question is: Are the 2 days enough to visit all the above museums or better skip one or two of them and don't buy the museum pass.