You can never be bored or run out of things to do while at Barcelona. The architecture, monuments, churches, museums, galleries etc. are just the top of the layer. The pristine beaches, where you can enjoy water sports, lounge around, develop a tan or bask in the glory of the surroundings. The promenades at these beaches have the best restaurants and bars where you can drink and eat as well as shops where you can pick up souvenirs and gifts for friends and family back at home. When it comes to seeing the sights of the city, you can decide to walk or go for any of the various organized tours which come with a guide who will brief you about the history of the place. It has been said, however, that Barcelona is best discovered on foot because you are able to stroll around and take in the experience as a whole and as authentically as possible.