City sightseeing hop on hop off barcelonar r bursting with culture history nightlife and beauty the sheer number of things to do in barcelona means youandrsquoll need the most convenient and cost effective way to get aroundr r the hop on hop off barcelona city sightseeing buses visit all of the cityandrsquos top attractions so you can explore the sights of barcelona without the hassle or costs of public transportr r to view the different routes available please click herer r with 3 dif