Close to the Sagrada Familia, Hospital Sant Cru y San Pau is a modern masterpiece. It is a restored hospital and one of the symbols of the Catalan Art Nouveau era, the largest modern art site in the world and registered as a World Heritage Site by UNESCO. It is necessary to take a tour of the place, to learn about the history of the Federation and the architecture in the early twentieth century, as you will learn through this tour the development of one of the oldest medical institutions in Europe, which shows how this modern art complex was built, showing how it is currently and globally used as a center of knowledge.