Barcelona is one of the most visited cities in Spain, and for good reason. This city has a lot to offer you, but don't try to see it all on one holiday. Take your time to enjoy the different sights and get under the skin of Barcelona. Like this you will also have a good excuse to come back to this wonderful city again and again. Here are some tips on some of the most popular attractions in Barcelona: La Sagrada Familia, Las Ramblas, Guell Park and Nou Camp Stadium.