Casa Milà, better known as “La Pedrera”, is one of the masterpieces that Gaudì left in Barcelona. Built between 1906 and 1910 for the wealthy businessman Pere Milà i Camps and his wife Roser Segimon i Artells, it has been listed on the UNESCO World Heritage List since 1984.

Casa Batllò, in the Eixample district of Barcelona, ​​is one of the brightest examples of Catalan Modernism. The house was commissioned to Gaudí by the rich Batlló family who built it between 1904 and 1906, modifying the façade and interiors of the previous building, adding two floors.