The document summarizes a tour of Barcelona that begins in Montjuich, one of the most beautiful places in the city where you can see the skyline. It then mentions visiting the MNAC art museum, the Olympic village built for the 1992 games, the aquarium featuring large sharks, and the unfinished Sagrada Familia church designed by Antoni Gaudi. The tour also includes seeing Gaudi's buildings like La Pedrera and La Casa Batlló, as well as the Boqueria market and Liceu Opera Theatre. The narrow streets of Barri Gòtic are highlighted where you can see the Cathedral and medieval walls of the old city.