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Santander's newest and splashiest landmark, this ambitious waterfront arts and cultural centre opened to great fanfare in June 2017. Designed by Italian architect Renzo Piano, the distinctly modernist building encompasses 2500 sq metres of gallery space on two floors, along with futuristic upper-level viewing platforms that jut dramatically out over the Bahía de Santander. The welcoming ground-floor cafe has quickly become one of the city's social hubs, as has the surrounding plaza, where everyone from skateboarders to seniors congregates.
There's an admission fee for the 1st- and 2nd-floor galleries, which display rotating exhibits of international contemporary art. Access to the rest of the building is free of charge.