Within Château de St-Malo , built by the dukes of Brittany in the 15th and 16th centuries, this museum looks at the life and history of the city through nautical exhibits, model boats and marine artefacts, as well as an exhibition covering the city's cod-fishing heritage. There's also background info on the city's sons, including Cartier, Surcouf, Duguay-Trouin and the writer Chateaubriand.
If you can handle heights, the castle's lookout tower offers eye-popping views of the old city.
