Barcelona is home to a thriving street art scene which attracts admirers from near and far.
Art found on the streets of Barcelona can be incredibly inspiring. It may be a beautiful face that catches your eye. Or a social / political message that makes you think. Even a spot of bright color that brings a smile to your face. The art and images come and go from one day to the next and it's always a pleasant surprise to find a fresh painting to admire.
Some of the more popular areas to find street art is the historic city center, especially El Raval, The Three Chimneys urban park as well as the Poblenou dsitrict.
Many people are offering guided tours to explore the street art in Barcelona. Check out Meetup or similar sites for more info.