Casa batllo ticketsr r skip the lines to casa batllandoacute one of antoni gaudandiacuteandrsquos most famous architectural works and a must see highlight when youandrsquore visiting barcelonar r this incredible gothic building is located in the middle of passeig de gracia one of barcelonaandrsquos most important shopping and business areas and known as the most expensive street in spainr r now a unesco world heritage site it has become a legend of art architecture and timeless design