
Quick Facts
Name: Hadrian's Wall
What it is: A defensive wall built by the Romans that once guarded the empire's northernmost frontier in England.
How long is Hadrian's Wall: 74 miles (118 kilometers)
When was Hadrian's Wall built: A.D. 122
Hadrian's Wall served as the most northerly frontier of the Roman Empire for 300 years. The wall is located in northern England, runs for about 74 miles (118 kilometers) between Bowness-on-Solway in the west and Wallsend in the east.