Visitor sitting on fortified walls beside cannon of Castelo de Sao Jorge with rooftop view across city.

Tourist visitors on fortified walls of Castelo de Sao Jorge with city stretched out beyond.

Tourists gathered on fortified tower section

Fortified hill town

View over coastal town fortified with 13th century walls

Tully Castle. Ruins of a fortified plantation house dating from 1610Eire Republic Ireland

Tully Castle. Ruins of a fortified plantation house dating from 1610 with recently planted early 17th century style formal gardenEire Republic Ireland Lower Lough Erne

Ruined castle and fortified walls on hillside.

The Citadel stone fortified arched viaduct walk to entrance

View over busy sandy beach and town from fortified walls of Villa Vella with line of trees in the foreground. Costa Brava

View past prickly pears over fields to the fortified hilltown and cathedral

View over rocky outcrop towards fortified hill town. Bouches du Rhone.