Satisfy the culture lover within at Museo del Fuego y de los Bomberos. See if any guided tours are available or ask a museum employee for tips on some highlights.
When it comes to things to keep you busy in San Pablo, Museo del Fuego y de los Bomberos is rated by fellow travelers. And in good news for your budget, it's free. Plaza del Pilar, Basilica de Nuestra Senora del Pilar and Aljaferia Palace will fill in your day and are within easy reach of the museum.