Roman limes
border defence or delimiting system of Ancient Rome
Hadrian's Wall
defensive fortification in Roman Britain
Danubian Limes
World Heritage Site
Trajan's Wall
any of several earthen fortifications in eastern Europe
Pannonian Limes
Roman fortified frontier
Saxon Shore
series of Roman fortifications
Wetterau-Limes
national heritage site
Lower German Limes
UNESCO World Heritage Site in Germany, Netherlands