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Catacombs. History buffs, lovers of the macabre, and the just plain curious, can make an unforgettable descent into Paris’s underground bastion of bones; claustrophobic folks, however, need not apply.

Fondation Cartier pour l'art contemporain. Connoisseurs of cutting-edge art will appreciate what's on view here. The building itself was designed by Jean Nouvel, the avant-garde darling of Paris architecture.

Fondation Henri Cartier-Bresson. Photography fans shouldn’t miss the chance to see Cartier-Bresson's restored atelier, featuring a small collection of his work plus photographs from young artists.

The Tour Montparnasse. Even though this 680-foot black behemoth of a skyscraper is considered one of the biggest eyesores in Paris, its open-air roof terrace is still one of the best spots to see the City of Light.