I will admit that the Centre Pompidou is not at the top of my To Do list every trip but I did see a wonderful Mondrian exhibit there a few years ago. That said, it is something you really must see, even if you don't opt to attend an exhibit. You can take the cool exterior escalator to the top and get a really nice view of Paris from above. You might even choose to go in the evening and have a drink or dinner at the top floor restaurant George.
