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 Clare, Quin, Knappogue Castle seen from the walled Rose Garden.

Ireland, County Clare, Quin, Knappogue Castle, View of the facade and entrance.

Ireland, County Galway, Portumna, Portumna Castle.

Ireland, County Clare, Quin, Knappogue Castle seen from the walled Rose Garden.

Ireland, County Clare, Quin, Knappogue Castle seen from the walled Rose Garden.

Ireland, County Tipperary, Classic vista of the Rock of Cashel, a spectacular group of Medieval buildings set on an outcrop of limestone in the Golden Vale.