Roman Walls in Mautern as part of the limes

Vatican City Wall between Italy and Holy See

The 2 walls within which the city developed were "part of the northern limes of the Sasanian Persian Empire, which extended to east and west of the Caspian Sea"

Part of Great Wall included

The wall surrounding the Old Town of Jerusalem partially served as the border between Israel and Jordan in 1948-1967

The defensive ditches and stone walls of the military forts are a testimony of the protection these places of border security needed at the frontier of the Roman Empire.

Danevirke - between the Danish kingdom and the Frankish empire

A Roman era square building was discovered. It could have been a guard tower along the Limes Arabicus.

The many defensive walls of the military forts and around military and civil settlements are a testimony of the protection these places needed at the frontier of the Roman Empire against "the barbarians".

Roman