Discover the ancient medieval and modern sights of barcelona on this convenient city sightseeing hop on hop off tour with your 1 day or 2 day pass travel by open top double decker bus along three routes to visit major barcelona attractions including la sagrada familia the gothic quarter park gell the picasso museum and parc de la ciutadella customize your own itinerary and hop on and off as you please at more than 44 stops around the city