You needn't be a transport geek to enjoy some time at Barcelona World Race Interpretation Centre. Its interesting exhibits and displays have something for everyone.
This Ciutat Vella display of transportation is an interesting place to kick off your day of sightseeing. There's lots to experience in the vicinity, including Sagrada Familia, La Rambla, and Plaça de Catalunya. Wander around at your leisure at Barcelona World Race Interpretation Centre before hitting up these other fine sights.