The Upper German-Raetian Limes is an archaeological site located in Bavaria and Raetia.
The Limes Germanicus was a line of frontier fortifications that bounded the ancient Roman provinces of Germania Inferior, Germania Superior and Raetia.
The Wetterau Limes is part of the Upper Germanic-Rhaetian Limes, a former frontier of the Roman Empire.
The Lower Germanic Limes is an archaeological site celebrated as a cultural heritage monument of Germany.
Claustra Alpium Iuliarum consists of walls and fortifications stretching across the Slovenian Littoral to the inland.
Hadrian's Wall, also known as the Roman Wall, is a former defensive fortification of the Roman province of Britannia.
The Antonine Wall, known to the Romans as Vallum Antonini, was a turf fortification on stone foundations, built by the Romans across what is now the Central Belt of Scotland.
The Limes Alutanus was a defense system of the Roman Empire.
The Limes Transalutanus is a defensive line of the Roman Empire.