Built in the late 12C, shortly after the city had been captured by Alfonso Henriques, the cathedral (like those in Oporto, Coimbra and Evora) was also a formidable fortress. It has been frequently remodelled; the third chapel contains the 14CGothic tombs of Lopo Fernandes Pacheco, comrade in arms of King Alfonso IV, and his wife. Finetreasury displaying magnificent religious artefacts.
Address:Largo de Santo António da Sé, 1100 Lisboa
Price:free of charge
9am-7pm (Sun and Mon 5pm)