Casa Mila is located in the famous “Illa de la Discordia” in the heart of Barcelona. It is one of the masterpieces of the architect Antoni Gaudí. Its wave-shaped walls and chimney-topped rooftops are all emblematic of the building and the city it calls home. Casa Mila can be visited day or night. Visits in the day typically start from the famous roof terrace. If you prefer to take a trip at night, you can take the “Secrets of Casa Mila” night tour to learn obscure and interesting facts about the structure.