Palacio e Quinta da Bacalhoa is a historic wine estate near Azeitao, with a palace, tiled interiors, gardens, and cellars visited by guided tour. It is one of the stronger cultural stops on the Setubal Peninsula, especially if you are pairing Arrabida scenery with the local wine country.
Tours usually take about an hour and a half and give useful context for the estate's long history as well as its modern winemaking.