Perched dramatically on a cliff, this museum is a splendid Edwardian structure, built under Prince Albert I to house specimens collected on amateur explorations. Jacques Cousteau (1910–97) led the missions from 1957 to 1988. The main floor displays skeletons and taxidermy of enormous sea creatures; early submarines and diving gear dating from the Middle Ages; and a few interactive science displays. The main draw is the famous aquarium, a vast complex of backlighted tanks containing countless species of fish, crab, and eel. Make time to visit this musée; if possible, take in one of the remarkable exhibitons, like Shark Lagoon and its 450,000 liter aquarium, running until 2015.
Av. St-Martin, 98000, Monaco