Hadrian's wall is a stone and turf fortification 75 miles long across the breadth of
Great Britain.
It was begun in 122 AD during the reign of
Roman emperor Hadrian and was
the northern border of the Roman Empire on that island.
It runs from present-day Tyne to Solway, dividing
England and
Scotland.
Hadrian's wall was made a [World Heritage Site]? in 1987.
Public Domain Map ~235 miles high. Courtesy Xerox PARC.
Red Mark shows approximate location of Hadrian's Wall