Barcelona has rarely lain fallow architecturally, as these two districts prove. A medley of artistic styles going back centuries, this area is studded with some of the city's most iconic buildings, ranging from the light and elegant 14th-century basilica of Santa Maria del Mar -- a church of the purest Catalan Gothic -- to the flagship of the city's Moderniste architecture, the extraordinary Palau de la Música Catalana. Past and present collide at the Museu Picasso, where works of the great 20th-century master are displayed in three adjoining Renaissance palaces.
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