Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 3, linking Glimps Holm and Burray, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 4, linking Burray and South Ronaldsay, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

England, North Yorkshire, Scarborough. Wave sculptured rocks on the coast near Scarborough in the North York Moors National Park.

England, North Yorkshire, York City. Grand tree with the equally grand York Minster Cathedral in the distance, with a street busker playing a piano at night.

England, North Yorkshire, York City. Grand tree with the equally grand York Minster Cathedral in the distance, with a street busker playing a piano at night.

England, North Yorkshire, York City. Ornate lamp outside of the West Front entrance of York Minster.

England, North Yorkshire, York City. Ornate lamp outside of the West Front entrance of York Minster.

England, North Yorkshire, York City. The West Front of York Minster, above the nearby roof tops.

England, Greater London, London Borough of Camden. Olympic sign celebrating the 2012 London Olympics on display in the London St Pancras Internationa railway station near King's Cross.

England, Greater London, London Borough of Camden. Olympic sign celebrating the 2012 London Olympics on display in the London St Pancras Internationa railway station near King's Cross.

England, Greater London, London Borough of Camden. Olympic sign celebrating the 2012 London Olympics on display in the London St Pancras Internationa railway station near King's Cross.

England, Greater London, London Borough of Camden. Olympic sign celebrating the 2012 London Olympics on display in the London St Pancras Internationa railway station near King's Cross.

England, Greater London, London Borough of Camden. Olympic sign celebrating the 2012 London Olympics on display in the London St Pancras Internationa railway station near King's Cross.

England, Greater London, London Borough of Camden. Olympic sign celebrating the 2012 London Olympics on display in the London St Pancras Internationa railway station near King's Cross.

England, Greater London, London Borough of Camden. Olympic sign celebrating the 2012 London Olympics on display in the London St Pancras Internationa railway station near King's Cross.

England, Northumberland, Harthope Valley. The Cheviot Hills and the Northumberland National Park viewed from Housey Crags above the Harthope Valley.

England, Northumberland, Warkworth. Warkworth Castle is a 12th-century stone motte and bailey fortress located near the Northumberland Heritage Coast.

England, Northumberland, Warkworth. Warkworth Castle is a 12th-century stone motte and bailey fortress located near the Northumberland Heritage Coast.

England, Northumberland, Warkworth. Warkworth Castle is a 12th-century stone motte and bailey fortress located near the Northumberland Heritage Coast.

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

England, North Yorkshire, York City. Replica model of the York Minster with the actual Cathedral in the distance.

England, North Yorkshire, York City. Statue of Roman Emperor Constantine the Great. near the main entrance to York Minster.

England, North Yorkshire, York City. Statue of Roman Emperor Constantine the Great. near the main entrance to York Minster.

England, North Yorkshire, York City. Grand door and arch on the West Front entrance of York Minster.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Gargoyle on bench in Dean's Park in the grounds of York Minster cathedral.

England, North Yorkshire, York City. Architectural detail of the West Front entrance of York Minster Cathedral.

England, North Yorkshire, York City. Grand door and arch on the West Front entrance of York Minster.

England, North Yorkshire, York City. Ornate lamp outside of the West Front entrance of York Minster.

England, North Yorkshire, York City. Ornate lamp outside of the West Front entrance of York Minster.

Spain, Catalonia, Pyrenees, Serra De Moixeró. Typical Pyrenees mountain scene of alpine meadow and mountains in the Serra De Moixeró.

Spain, Catalonia, Pyrenees, Cadí-Moixeró Natural Park. The Pyrenees mountain range in the Cadí-Moixeró Natural Park.

Spain, Catalonia, Pyrenees, Cadí-Moixeró Natural Park. The Pyrenees mountain range in the Cadí-Moixeró Natural Park.

Spain, Catalonia, Pyrenees, Bagà. The Pyrenees mountain range in the Cadí-Moixeró Natural Park near Bagà.

Spain, Catalonia, Pyrenees, Pedraforca. Saldes in the shadow of the Pedraforca Mountain in the heart of the Cadí-Moixeró Natural Park.

Spain, Catalonia, Pyrenees, Pedraforca. The Pedraforca Mountain in the heart of the Cadí-Moixeró Natural Park.

Spain, Catalonia, Pyrenees, Pedraforca. The Pedraforca Mountain in the heart of the Cadí-Moixeró Natural Park.

Spain, Catalonia, Pyrenees, Pedraforca. The Pedraforca Mountain in the heart of the Cadí-Moixeró Natural Park.