La Rambla is the most famous boulevard in Barcelona. The Gothic Quarter , with the Cathedral and Santa Maria del Pi Church.\' La Paça Reial is located next to La Rambla and is considered to be one of the most beautiful squares in the world. Also look at the Guadi streetlights! Olympic stadium and village on Montjuïc hill, including the Montjuic Castle with his beatifull sightseeing. Tibidabo is located on the mountains of Barcelona and offers a spectacular view of the city. Olympic Port. It has a large number of restaurants, bars and other establishments which have made Barcelona\'s nightlife even more intense. Camp Nou Stadium. If you\'re a football freak then you can\'t miss this place. Campnou is the home ground for FCBarcelona. This stadium is the biggest in Europe with capacity of 98,600 people, it also has shops and a museum of the history of FC Barcelona.