This story appears in the January/February 2017 issue of National Geographic History magazine. The emperor Hadrian was well known for building monuments across the Roman Empire, a territory that ...

Hadrian's Wall was a Roman frontier built in the years AD 122-30 by order of the Emperor Hadrian. It was 73 miles long and ran from Wallsend-on-Tyne in the east to Bowness on the Solway Firth in ...