Spain 's third city has a fun mix of culture and entertainment . City of Arts and Sciences is Santiago Calatrava 's architectural masterpiece . It was designed to be the most beautiful building in Europe, but it also had an interesting history as well. Chill out with a massage on the beach ; light up at the Las Fallas festival .
Spain 's third city has a fun mix of culture and entertainment . City of Arts and Sciences is Santiago Calatrava 's architectural masterpiece . Old city center can be explored by foot ; city 's river was transformed into a park . Chill out with a massage on the beach ; light up at the Las Fallas festival .