Western wall: Did you mean...?

The North Gate of Housesteads Fort on Hadrian's Wall. Passport control, immigration control and customs check all in one place. The wall was a checkpoint for taxing cross-border trade as well as a defence.

The Cawfields Milecastle (42) was one of the 81 milecastles along the length of Hadrian's Wall. These guardposts (or fortlets) were built at intervals of one Roman mile to control movement across the Wall. This milecastle at Cawfields clings...

The remains of Milecastle 39 on Hadrian's Wall near Steel Rigg. Each milecastle on Hadrian's Wall had two associated turret structures. These turrets were positioned approximately one-third and two-thirds of a Roman mile to the west of the...

A stretch of Hadrian's Wall known as Thorny Doors, east of Milecastle 42 (Cawfields). At Thorny Doors stands one of the highest sections of surviving original wall.

A section of the Roman city-wall of Empuries (Emporiae), Spain. 1st century BCE. The base of the wall was made using calcareous rock while the upper portion is of Roman concrete (opus caementicium).

Sycamore Gap on Hadrian's Wall is a section of the wall between two crests just east of Milecastle 39. It is locally known as the "Robin Hood Tree" for its use in the 1991 film Robin Hood: Prince of Thieves (1991).

While ancient Chinese warfare was often characterised by large armies in pitched battles, siege warfare and the sacking of cities were also regular features. Huge earth walls with towers and encircling ditches or moats became the normal strategy...

Hadrian (l. 78-138 CE) was emperor of Rome (r. 117-138 CE) and is recognized as the third of the Five Good Emperors (Nerva, Trajan, Hadrian, Antoninus Pius, and Marcus Aurelius) who ruled justly. His reign marked the height of the Roman Empire...

Did you know that ancient Ionia was the birthplace of Western philosophy and science? This video is all about the fascinating region of ancient Ionia, the birthplace of Western philosophy, science, the Ionic Order of architecture, and the...

A portion of Roman opus reticulatum wall in Pompeii.