Ireland, County Kerry, Killarney, Ross Castle, 15th-century tower house and keep on the edge of Lough Leane in Killarney National Park, the ancestral home of the Clan O'Donoghue.

Ireland, County Kerry, Killarney, Ross Castle, 15th-century tower house and keep on the edge of Lough Leane in Killarney National Park, the ancestral home of the Clan O'Donoghue.

Spain, Castile, Segovia, Iglesia de la Vera Cruz or Church of the True Cross (1208) located below the Alcazar.

Spain, Castile, Segovia, Monasterio de Santa María del Parral, founded by King Henry IV of Castile in the 1450's, cloister with the Alcazar in the background .

Spain, Castile and Leon, Segovia, 12th century Alcazar of Segovia with an angular view of the 15th century Tower of John 2nd of Castile from the inner courtyard.

Spain, Castile and Leon, Segovia, 12th century Alcazar of Segovia with a view of some of the turrets on the 15th century Tower of John 2nd of Castile seen from the Plaza de la Reina Victoria in front...

Spain, Castile and Leon, Segovia, 12th century Alcazar of Segovia with the 15th century Tower of John 2nd of Castile being the main feature, close up view from the right on the Plaza de la Reina Victo...

Spain, Castile and Leon, Segovia, 12th century Alcazar of Segovia with the 15th century Tower of John 2nd of Castile being the main feature, view from the right on the Plaza de la Reina Victoria in fr...

Spain, Castile and Leon, Segovia, 12th century Alcazar of Segovia with the 15th century Tower of John 2nd of Castile being the main feature, angular view from the left on the Plaza de la Reina Victori...

Spain, Castile and Leon, Segovia, 12th century Alcazar of Segovia with the 15th century Tower of John 2nd of Castile being the main feature, view from the left of the Plaza de la Reina Victoria in fro...

Spain, Castile and Leon, Segovia, 12th century Alcazar of Segovia with the 15th century Tower of John 2nd of Castile being the main feature, head on view from the Plaza de la Reina Victoria in front o...

Spain, Castile and Leon, Segovia, 12th century Alcazar of Segovia with the 15th century Tower of John 2nd of Castile being the main feature, head on view from the Plaza de la Reina Victoria in front o...