It's no coincidence that the word "muse" is in "museum!" Cinémathèque Française aims to inspire and entertain visitors, so add it to your itinerary.
When you've finished exploring this 12th Arrondissement museum, why not make your way to Eiffel Tower, Louvre Museum, and Arc de Triomphe? They're near Cinémathèque Française and also a hit with many travelers.