Pick one: MAAT for modern art and architecture (usually 11:00am–7:00pm) or the Coach Museum for historic royal carriages (closed Mondays historically).
Join a guided day tour with winery tastings and scenic viewpoints or take the picturesque train to Pinhão; tours typically depart early (8:00am–9:00am) and run all day.
Allow ample time for transfer to Lisbon Airport (Humberto Delgado) and security; typical transfer 20–40 minutes from central Lisbon depending on traffic.