Defense lineW
Defense line
Atsukashiyama BarrierW
Atsukashiyama Barrier
BermW
Berm
Braefoot BatteryW
Braefoot Battery
Fort de BronW
Fort de Bron
Buzi (fortification)W
Buzi (fortification)
Fort de CaluireW
Fort de Caluire
Corradino LinesW
Corradino Lines
Cottonera LinesW
Cottonera Lines
DanevirkeW
Danevirke
Fort DecaenW
Fort Decaen
Downing Point BatteryW
Downing Point Battery
Fort DuchèreW
Fort Duchère
Floriana LinesW
Floriana Lines
Fort de MontessuyW
Fort de Montessuy
Great Wall of ChinaW
Great Wall of China
Great Wall of GorganW
Great Wall of Gorgan
Hadrian's WallW
Hadrian's Wall
Hexamilion wallW
Hexamilion wall
Howlett LineW
Howlett Line
IJssel LineW
IJssel Line
Iraq–Saudi Arabia borderW
Iraq–Saudi Arabia border
Kelasuri WallW
Kelasuri Wall
Königsberg fortificationsW
Königsberg fortifications
Lines of Contravallation of GibraltarW
Lines of Contravallation of Gibraltar
Madukkarai WallW
Madukkarai Wall
Fort MontbareyW
Fort Montbarey
Murus DacicusW
Murus Dacicus
Murus GallicusW
Murus Gallicus
Offa's DykeW
Offa's Dyke
Outer London Defence RingW
Outer London Defence Ring
QuadrilateroW
Quadrilatero
Questel FortW
Questel Fort
Royal Military CanalW
Royal Military Canal
Fort Saint-Jean (Lyon)W
Fort Saint-Jean (Lyon)
Santa Margherita LinesW
Santa Margherita Lines
Saxon ShoreW
Saxon Shore
Serpent's WallW
Serpent's Wall
Strata DiocletianaW
Strata Diocletiana
Lines of Torres VedrasW
Lines of Torres Vedras
Victoria LinesW
Victoria Lines
Wat's DykeW
Wat's Dyke
Western Russian fortressesW
Western Russian fortresses
Zanja de AlsinaW
Zanja de Alsina
Great Zasechnaya chertaW
Great Zasechnaya cherta