Scotland, Edinburgh, Edinburgh Castle, ramparts on Mills Mount Battery with views onto Princes Street gardens and the New Town.

Scotland, Edinburgh, Edinburgh Castle, view onto the ramparts with Princes Street gardens and the New Town.

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.

Scotland, Edinburgh, Scotch Whisky Experience, largest collection of whisky in the world on display.

Scotland, Edinburgh, Scotch Whisky Experience, bottles of whisky at the bar.

Scotland, Edinburgh, Scotch Whisky Experience, bottles of whisky for tasting at the bar.

Scotland, Edinburgh, Camera Obscura, child in the vortex tunnel.

Scotland, Edinburgh, Camera Obscura, giant kaleidescope with child standing in it.