Scotland, Edinburgh, Edinburgh Castle, St Margaret's Chapel, Stained glass window with detail of St Columba.

Scotland, Edinburgh, Edinburgh Castle, St Margaret's Chapel, stained glass window depicting St Margaret.

Scotland, Edinburgh, Edinburgh Castle, gatehouse entrance to the castle.

Scotland, Edinburgh, Edinburgh Castle, entrance to the castle from the esplanade with the gatehouse arch.

Scotland, Edinburgh, Edinburgh Castle, entrance to the castle from the esplanade with the gatehouse arch.

Poland, Krakow, Wawel Hill, Wawel Castle, Tiered arcades in the courtyard.

Poland, Warsaw, Plac Zamkowy or Castle Square seen from St Anne's Church Viewing Tower.

Poland, Warsaw, Royal Castle and Plac Zamkowy or Castle Square seen from St Anne's Church Viewing Tower.

Poland, Warsaw, Royal Castle seen from St Anne's Church Viewing Tower.

Poland, Warsaw, Royal Castle in Plac Zamkowy or Castle Square.

Poland, Warsaw, Royal Castle in Plac Zamkowy or Castle Square with people enjoying the evening sun.