Mafra
15 min by carThe colossal UNESCO-listed Palácio Nacional de Mafra, with its baroque basilica and one of the most beautiful libraries in Europe. An easy half-day before lunch back in Ericeira.
Allow two to three hours for the palace and basilica; the library is the highlight, so do not rush it. The drive is short and parking in front of the palace is usually easy. Check opening days and ticket prices on the official site before you go, and pair it with the Tapada next door if you want a full day.