England, Northumberland, Warkworth Castle. Warkworth Castle (English Heritage), a magnificent 12th century stone motte and bailey fortress, located near the Northumberland Heritage Coast.

England, Northumberland, Warkworth Castle. Warkworth Castle (English Heritage), a magnificent 12th century stone motte and bailey fortress, located near the Northumberland Heritage Coast.

England, Northumberland, Warkworth Castle. Warkworth Castle (English Heritage), a magnificent 12th century stone motte and bailey fortress, located near the Northumberland Heritage Coast.

England, Northumberland, Warkworth Castle. Warkworth Castle (English Heritage), a magnificent 12th century stone motte and bailey fortress, located near the Northumberland Heritage Coast.

England, Tyne & Wear, Burradon Tower. Sycamore Trees and the ruins of the Burradon Tower, a townhouse built around 1553 by Bertram Anderson.

England, Tyne & Wear, Burradon Tower. Sycamore Trees and the ruins of the Burradon Tower, a townhouse built around 1553 by Bertram Anderson.

Scotland, Scottish Borders, Melrose. The magnificent ruins of the Melrose Abbey, considered to be the final resting place of the heart of Robert the Bruce.

Scotland, Scottish Borders, Kelso. The dramatic ruins of Kelso Abbey. Sir Walter Scott described the architecture as the most beautiful in Scotland.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Bayon is a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Bayon is a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Bayon is a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Bayon is a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Bayon is a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Massive stone faces watch your every move at Bayon, a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor Thom, Bayon. Bayon is a well-known and richly decorated Khmer temple at Angkor in Cambodia.

Cambodia, Angkor, Angkor Wat. Close up details of Angkor relief art on the walls of the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Statue alongside the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Close up details of Angkor relief art on the walls of the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Close up details of Angkor relief art on the walls of the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Close up details of Angkor relief art on the walls of the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Buddhist statues colourfully decerated within the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Buddhist statues colourfully decerated within the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Close up details of the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Close up details of Angkor relief art on the walls of the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Close up details of Angkor relief art on the walls of the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. Close up details of Angkor relief art on the walls of the dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

Cambodia, Angkor, Angkor Wat. The dramatic remains of Angkor Wat.

England, Northumberland, Northumberland National Park. The remains of Harbottle Castle in Coquetdale

England, Northumberland, Northumberland National Park. The remains of Harbottle Castle in Coquetdale