Group Fortifications of AisneW
Group Fortifications of Aisne
Alpine LineW
Alpine Line
Alpine WallW
Alpine Wall
Árpád LineW
Árpád Line
Battery OldenburgW
Battery Oldenburg
Fort des BordesW
Fort des Bordes
Brisbane LineW
Brisbane Line
Czechoslovak border fortificationsW
Czechoslovak border fortifications
Fort DecaenW
Fort Decaen
Defence lines of the NetherlandsW
Defence lines of the Netherlands
Fort DéroulèdeW
Fort Déroulède
Dutch Water LineW
Dutch Water Line
Fortified Area of SilesiaW
Fortified Area of Silesia
Fortress EuropeW
Fortress Europe
Group Fortifications Francois-de-GuiseW
Group Fortifications Francois-de-Guise
Frontier Wire (Libya)W
Frontier Wire (Libya)
Fort GambettaW
Fort Gambetta
Grebbe LineW
Grebbe Line
Gothic LineW
Gothic Line
Hel Fortified AreaW
Hel Fortified Area
Karelian Fortified RegionW
Karelian Fortified Region
Kiev Fortified RegionW
Kiev Fortified Region
K-W LineW
K-W Line
Fort LauvallieresW
Fort Lauvallieres
Línea PW
Línea P
Group Fortification LorraineW
Group Fortification Lorraine
Maginot LineW
Maginot Line
Mannerheim LineW
Mannerheim Line
Mareth LineW
Mareth Line
Group Fortification MarneW
Group Fortification Marne
Metaxas LineW
Metaxas Line
Festungsfront Oder-Warthe-BogenW
Festungsfront Oder-Warthe-Bogen
Battle of MławaW
Battle of Mława
Molotov LineW
Molotov Line
Peel-Raam LineW
Peel-Raam Line
Pointe du HocW
Pointe du Hoc
Bernhardt LineW
Bernhardt Line
Rupnik LineW
Rupnik Line
Fort de Saint-JulienW
Fort de Saint-Julien
Fort Saint-PrivatW
Fort Saint-Privat
Fortifications of Saint-QuentinW
Fortifications of Saint-Quentin
Salpa LineW
Salpa Line
Schuster LineW
Schuster Line
Skåne LineW
Skåne Line
South-east wallW
South-east wall
Spring 1945 offensive in ItalyW
Spring 1945 offensive in Italy
Stalin LineW
Stalin Line
SüdwallW
Südwall
Swedish Coastal ArtilleryW
Swedish Coastal Artillery
Toblerone lineW
Toblerone line
Todt BatteryW
Todt Battery
Group Fortification VerdunW
Group Fortification Verdun
VKT-lineW
VKT-line
VT-lineW
VT-line
Group Fortification YserW
Group Fortification Yser