Gran Teatre del Liceu - Barcelona Opera House. Gran Teatro del Liceo. Located on Barcelona's famous La Rambla street, the Gran Teatre del Liceu is one of Europeçs most important opera houses and a Barcelona tourist attraction. Some of the world’s greatest opera singers have performed at the Liceu including Montserrat Cabelle, Maria Callas, Luciano Pavarotti, Placido Domingo, and native of Catalonia, Josep Carreras. Since the Liceu's opening in 1847 it has experienced anarchist bombings, two major fires and a civil war. The Liceu has endured all and today is more popular than ever with locals and tourists alike. The best way to see the Liceu is to see a performance but they also offer tours.