-Barcelona, the cosmopolitan capital of Spain’s Catalonia region, is known for its art and architecture. The fantastical Sagrada Família church and other modernist landmarks designed by Antoni Gaudí dot the city. Museu Picasso and Fundació Joan Miró feature modern art by their namesakes. City history museum MUHBA, includes several Roman archaeological sites.
-Marseille, a port city in southern France, has been a crossroads of immigration and trade since its founding by the Greeks circa 600 B.C. At its heart is the Vieux-Port (Old Port), where fishmongers sell their catch along the boat-lined quay. Basilique Notre-Dame-de-la-Garde is a Romanesque-Byzantine church. Modern landmarks include Le Corbusier’s influential Cité Radieuse complex and Zaha Hadid’s CMA CGM Tower.
-Genoa (Genova) is a port city and the capital of northwest Italy's Liguria region. It's known for its central role in maritime trade over many centuries. In the old town stands the Romanesque Cathedral of San Lorenzo, with its black-and-white-striped facade and frescoed interior. Narrow lanes open onto monumental squares like Piazza de Ferrari, site of an iconic bronze fountain and Teatro Carlo Felice opera house.