A curtain wall is a defensive wall between fortified towers or bastions of a castle, fortress, or town.
Beaumaris Castle in Anglesey in North Wales, with curtain walls between the lower outer towers, and higher inner curtain walls between the higher inner towers.
Reconstruction of the 9th-century BC defensive walls around ancient Tel Lachish in modern Israel.
The 12th-century curtain wall of the Château de Fougères in Brittany in northern France, showing the battlements, arrowslits and overhanging machicolations.
Two sections of the 16th-century curtain wall around Berwick-upon-Tweed, at the eastern end of the Anglo-Scottish border.
In fortification architecture, a rampart is a length of embankment or wall forming part of the defensive boundary of a castle, hillfort, settlement or other fortified site. It is usually broad-topped
The multiple ramparts of the British Camp hillfort in Herefordshire
Earth ditch and rampart defences on the Ipf near Bopfingen, Germany
Reconstructed pfostenschlitzmauer of the oppidum at Finsterlohr, Creglingen, Germany
The rampart of the Cité de Carcassonne in the Aude department of France. Originally constructed in the 4th century AD by the Romans, they were largely rebuilt in 1240 and heavily restored in the 19th century