You don't have to be in a classroom to learn something new. Organize an outing to Museu do Relógio and find out more about the world around you.
If you're staying a while in Salvador e Santa Maria, Museu do Relógio is a fine place to kick off your sightseeing. This museum is one of numerous attractions worth checking out here. Serpa Aqueduct, Serpa Castle, and Praca da Republica are also ready to be explored nearby.