U.S. News Insider Tip: From spring through fall, Casa Batlló hosts "Magical Nights" – a series of open-air concerts on the dragon roof terrace, with romantic views of the city. Tickets start at ...

From the elaborate turrets of Sagrada Familia to the tiled dragon which wraps its tail around the roof of Casa Batlló, Gaudi is synonymous with Barcelona, but he is not the full architectural story.