La Pedrera (the quarry) or Casa Míla, to give it its offical name, is an apartment buidling in Barcelona built by Antoni Gaudí between 1906 and 1910. From the petrified wave outisde facade with its seaweed railings, to its central courtyard, to the roof with sentinal chimneys and mosaic covered sculptures, La Pedrera is an architetural masterpiece.