Hadrians wall

Hadrian's Wall, England

Hadrian's Wall

Hadrians Wall, Northumberland, England

housesteads hadrians wall

Hadrian's Wall, Northumberland, UK.

Autumn at Hadrian’s Wall, on the English/Scottish border

Hadrian's Wall, Northern England

Hadrian's Wall - The most popular tourist attraction in Northern England sungsun Choi - Google+

Hadrian's Wall: Vercovicium (Housesteads Roman Fort) : latrines

Hadrian’s wall, Scotland

Though identified by prior pin as Hadrian's Wall, I'm informed (reliably it seems) that this is too narrow a wall to have been Hadrian's, 8 feet wide and meant as a road. Thanks, Albion Man.

Dried Stone Wall, Peak District National Park, England

The Dales, Yorkshire, with traditional stone walls

View of York Minster from the city's medieval walls, England

Whitby ~ North Yorkshire, England

York, England, a wonderful medieval walled town

North Yorkshire

The Great Wall, China

Dunstanburg Castle, Alnwick, Northumberland, England

Angel of the North, Newcastle - England.