The colorful Casa Batllo is an old house with its origins in the 19th century, renovated in the well-known neoclassical style, and is one of the many masterpieces of the famous architect Gaudi in Barcelona. This building has become a famous landmark in Barcelona and is open to the public. It was awarded the 2004 Europa Nostra for the preservation of cultural heritage, and was inscribed on the UNESCO World Heritage List in 2005. It is definitely worth a visit, with its amazing decoration The oval windows, the stone carvings, the many mosaics that decorate the facade, the ceramic tiles and the arched ceiling.