Park Guell houses and mosaic tiles at Parc Guell by Antoni Gaudi, UNESCO World Heritage Site, with views over the city to the sea, Barcelona, Catalonia, Spain, Europe

Park Guell house at Parc Guell by architect Antoni Gaudi, UNESCO World Heritage Site, Barcelona, Catalonia, Spain, Europe

Park Guell houses at Park Guell by architect Antoni Gaudi, UNESCO World Heritage Site, with views over the city to the sea, Barcelona, Catalonia, Spain, Europe

Guell Park, Gaudi architecture, Barcelona, Catalonia, Spain, Europe

Gaudi's Mosaic House, Guell Park, Barcelona, Catalonia, Spain, Europe

Detail, facade of Gaudi House Museum - Casa Museu Gaudi, Park Guell, Barcelona, Catalonia, Spain.

Gaudi House Museum - Casa Museu Gaudi, Park Guell, Barcelona, Catalonia, Spain.