When visiting this great city, one must at least see one of the great masterpieces of GAUDI: the SAGRADA FAMILIA, CASA BATLLÓ or PARC GÜELL. The Catalonian metropolis continues to be one of the most appealing destinations for the most demanding travelers. It’s a reality that has ceased to be just a feeling and has now become an empirical fact, according to a report on the best cities in the world by Resonance, a United States consultancy specializing in tourism. It’s the perfect city for couples to explore and discover its unique corners together, while also offering enticing evening events for those who are visiting on business. These are the keys to its success.