defensive wall
fortification used to protect an area from potential aggressors
Leonine City
part of the city of Rome
Moscow Kremlin Wall
defensive wall that surrounds the Moscow Kremlin
City walls of Oviedo
cultural property in Oviedo, Spain
Walls of Arcos de la Frontera
cultural property in Arcos de la Frontera, Spain
Chinese city wall
Defensive walls and fortifications used to protect towns and cities in pre-modern China
City Wall of Kaifeng
building in Kaifeng, China
City walls of Palma
Series of five city walls in Palma
Castillo
cultural property in Gibraleón, Spain
Gates of Tashkent
historical gates of the city of Tashkent, Uzbekistan
Gallo-Roman walls of Le Mans
defensive wall
Roman walls of Milan
building in Milan, Italy
Castle of Santa Catalina
cultural property in Jaén, Spain
Las Angosturas
cultural property in Gor, Spain
Walls of Talavera de la Reina
cultural property in Talavera de la Reina, Spain
Carnot wall
fortification system used in 19th-century Europe
Fortifications of Messina
Series of defensive walls and other fortifications which surrounded the city of Messina, Sicily
archaeological site of Carmona
cultural property in Carmona, Spain
Fortifications of Mycenae
structural defense of the Mycenae acropolis in Greece
Ancient Roman defensive walls in Verona
defensive fortification in Verona, Italy
Los Millares
Chalcolithic occupation site in Spain
walls of Rome
defensive walls of Rome
Hudson River Chain
River barriers used during the American Revolutionary War
Venetian walls of Nicosia
series of walls surrounding the old city of Nicosia, Cyprus
Vila-real city walls
cultural property in Villarreal, Spain
Royal Wall
city walls in Ceuta (used to divide the fortified , walled town from the outer town)
churchyard fortification
defensive wall around a church building
Czech hedgehog
static anti-tank obstacle defense
Walls of Dubrovnik
defensive wall
Wardrobe Tower
Wardrobe Tower, a medieval tower wall within the Tower of London built on a previous Roman wall
Baghdad Wall
Wikimedia list article
Calydon Fortress
city walls of ancient Calydon, Greece
Walls of Verona
building in Verona, Italy
Walls of Genoa
Series of walls surrounding the city of Genoa, Italy
enceinte
main defensive enclosure of a fortification
Seville Royal Shipyard
cultural property in Sevilla, Spain
Trabzon Castle
Series of walls built around the city of Trabzon, Turkey
Walls of D. Fernando/Fernandina Wall
Well perserved walls in Porto, Portugal
Line Wall Curtain
defensive curtain wall in Gibraltar
city walls
defensive wall around a settlement
Defensive walls in Rovigo
building in Rovigo, Italy
Spanish walls
city walls of Milan
Walls of Lisbon
City walls of Lisbon