Barcelona is offering endless opportunities for tours and excursions. With the transport cards you can explore the city on your own way.
The Barcelona Card offers free public transport and airport train. Furthermore free admission to 22 attractions and discounts for several other museums, restaurants, night-time venues, etc.
The Barcelona Articket is specific for art lovers with 50 % discount to seven leading art centers.
For archeological lovers the Barcelona Arqueoticket is the best way to safe 30 % discount for each of the five museums with the best archeological collection.