Ireland, County Carlow, Carlow Castle one of the most important Anglo-Norman castles in Ireland thought to have been built by William de Marshal between 1207 and 1213).

Ireland, County Waterford, Dungarvan Castle, restored barracks in the courtyard.

Ireland, County Waterford, Dungarvan Castle, entrance gate leading in to the courtyard.

Ireland, County Roscommon, Roscommon town, Roscommon Castle built by Robert D'Ufford in 1269 and having changed hands frequently it burnt down in 1690 and fell into decay.

Republic of Ireland, County Wexford, Gothic Revival Johnstown Castle with a fountain in the foreground.

Republic of Ireland, County Wexford, Gothic Revival Johnstown Castle.

England, London, Tower of London, White Tower from outside the walls.

England, London, Tower Bridge, The West Gate and west wing of the building.

England, London, The Tower of London and River Thames seen from the viewing deck on the Shard known as the View from the Shard.

Ireland, County Down, Dundrum Castle ruin.

Ireland, County Limerick, Limerick City, St Johns Castle and River Shannon.

Ireland, County Limerick, Limerick City, St Johns Castle the Courtyard including excavation area of the Great Hall.