Take a trip back through the mists of time with a visit to Edificio de Correos. If you're lucky, you may be able to organize a tour of this historic building.
You'll soon discover why this San Sebastián Centro historic landmark is a hit with travelers. If you're looking for other things to keep you busy, Concha Beach, Monte Igueldo, and Monte Urgull are in the area too. They won't take you very long to get to from Edificio de Correos.