From the main office, walk to one of the most popular streets in Barcelona, Passeig de Gràcia. Vsit two great examples of domestic architecture from Antoni Gaudí. Listen to commentary about these sites put in context with the history of Barcelona and in parallel to other works from important modernist architects.  First, see Casa Batlló, a great example of how Gaudí was inspired by nature and used organic shapes that he had previously studied. Then, head to Casa Milà “La Pedrera.” During this guided tour, visit the two courtyards, the three last floors (rooftop, attic, and one apartment), and the temporal exhibition. At the end, of your your you can stay in the building as long as you wish.  Enjoy three hours of free time to have lunch. Then, go to the other main office to resume your tour. Your guide will take you to Sagrada Familia, considered the Gaudi’s masterpiece. The construction of this church began in 1882 and is still unfinished. Visit its astonishing interior, rich in symbolism. Your guide will explain how Gaudí was mostly inspired by nature because he considered it to be God’s masterpiece. The building is a perfect fusion between architecture and spiritually. Spend some time in the museum then take the bus to Park Güell. Park Güell is located in the upper part of Barcelona and has incredible views of the city. It is one of the most emblematic works of Antoni Gaudí and has been declared a UNESCO World Heritage Site since 1984. Admire how the architect handled one of his favorite techniques, the “trencadís“, evident in all of his creations. Discover all of the secrets hidden in this park with your guide.