Barcelona Must See Sites & travel tips. Barcelona, Spain's second-largest city, is inextricably linked to the architecture of Antoni Gaudi. His most famous and unfinished masterpiece, La Sagrada Familia, is the emblem of the city. We share travel tips an
Barcelona is one of Spain's (and Europe's) most iconic cities. It's a great place to experience Catalan culture, beautiful architecture and incredible views. Here's your complete guide to visiting the beautiful Spanish city!