Cobbled streets, castles perched on green hillsides, stone fortifications integrated into the landscape... Portugal's ...

The castle served as a fortification for the Romans, Visigoths and the Moors, who turned it into a royal palace before it was eventually taken by Portugal's first king, Afonso Henriques.

Portugal's many lively cities ... then spend the rest of your day visiting top sights like the Bélem Tower, São Jorge Castle and the Jerónimos Monastery. If you need a break from trudging ...