Tours

El Born scarcely needs a guided tour but if you want to use it as the base for a wider exploration of old Barcelona then this tour would be great if you like bikes.

http://www.viator.com/tours/Barcelona/Barcelona-Half-Day-Bike-Tour/d562-3993FTBB

Try also a do it yourself walking tour based on the Frommers guide:

http://www.frommers.com/destinations/barcelona/0045020034.html