If you'd love to add a bit of extra culture to your vacation, put Museo de Bomberos on your travel itinerary. See if there are any guided tours or simply roam around in your own time.
To explore this museum, you'll need to find your way to Puente de Vallecas. There are loads of other worthwhile attractions in this area, like Plaza Mayor, Prado Museum, and Santiago Bernabéu Stadium.