Poland, Warsaw, another of the castle's towers seen from the courtyard.

Poland, Warsaw, another of the castle's towers seen from the courtyard.

Poland, Warsaw, Royal Castle, clock tower seen from castle courtyard.

England, County Durham, Durham, The Keep, Durham Castle.

England, County Durham, Durham, Entrance to Durham Castle.

Ireland, County Tipperary, Cahir, Cahir Castle, General view of castle and surrounding wall.

Ireland, County Tipperary, Cahir, Cahir Castle, General view of castle and surrounding wall with stream running past.

Ireland, County Westmeath, Castlepollard, Tullynally Castle Gardens, The Walled Garden with two sculptures of oxen.

Ireland, County Tipperary, Cahir, Cahir Castle, Banqueting Hall.

Ireland, County Tipperary, Cahir, Cahir Castle, View through portcullis gate.

Ireland, County Westmeath, Castlepollard, Tullynally Castle Gardens, The Walled Garden.

Ireland, County Waterford, Lismore, Lismore Castle, A corner tower seen from the castle's Lower Gardens.