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, but there is so much more to Barcelona. We share travel tips and top attractions when visiting Barcelona. #barcelonatraveltips
St.Petersburg’s rich history can be found as one strolls up and down every street, and inside every little shop and restaurant; within the grand walls of every awe-inspiring palace, painted in the past, and with every foot that touches upon every stage.