Hadrians Wall
LocationUK
Year128 AD
TypeFortification
About Hadrians Wall
Stretches 73 miles across northern England. Built by 15,000 men in 6 years. Up to 20 feet tall and 10 feet wide in places. Had a milecastle every Roman mile and two observation towers between each. Over 10 million visitors per year to various sections. Designed to separate Romans from barbarians.