2 Best Sights in La Ciutadella and Barceloneta, Barcelona

Set inside the glassy MAPFRE Tower near the Port Olímpic and named after the chemical symbol for potassium bromide---a salt used in wet-plate photography processing---this smart photography venue showcases comprehensive temporary exhibits of international names such as William Eggleston, Tina Modotti, and Consuelo Kanaga. 

Part of the Fundació Vila Casas, a nonprofit dedicated to promoting contemporary Catalan art, this factory-turned-boxy-modern-gallery in Poblenou features over 300 paintings from the 1960s to present day. The only prerequisite is that the artist must be born in or live in Catalonia; otherwise, there are no rules on content or media, leading to a diverse and energetic collection that hops from ocean-scapes to portraits to collage. Take a lap around the quiet gardens outside to spot the sculptures.