A dive crew of seven from New Jersey recently solved a 168-year-old mystery by locating the wreck of the Le Lyonnais, a French ocean liner that was last seen off the coast of Nantucket, Massachusetts.

For the Thanksgiving vacation, Nantes is offering an Atlantic crossing with a modest carbon footprint: All you have to do is get to the city's Musée d'arts, which can be reached from the station ...