fortification
military constructions and buildings designed for defense in warfare and military bases
Zenon Tower
tower in Chersonese
Fort de Kock
fort
Outer London Defence Ring
defensive ring built around London during the early part of the Second World War
Altenburg
fortification, Spessart
watchtower
tower used for the military surveillance of the surrounding area
La Fortaleza
official residence and office of the Goverñ of Puerto Rico
United States Bullion Depository
building used for gold storage
Fort Amsterdam
fort in Hila, Ambon island, Indonesia
Fortifications of Lyon
fortifications in nineteenth-century France
fortified farm
farm with defensible elements
Kenilworth Fort
fort in Hosur, India
stronghold
town/city that has been fortified
Frisian Water Line
defence line
Castles of Ancona
series of fortifications built or acquired by the Republic of Ancona
Forts of Capri
building in Anacapri, Italy
Defense system of the Venice Lagoon
building in Venice, Italy
Star Castle
fortress on St Mary's, Isles of Scilly
strongpoint
key point in a military defensive fighting position
castro
fortified settlement, usually pre-Roman, frequently found in northern Spain
Harbor Defenses of Manila and Subic Bays
World War II fortifications
Chatham Palmerston Forts
19th century forts in the UK
Portland Palmerston Forts
19th century fortifications in the UK
South Coast Palmerston Forts
19th century fortifications in the UK
Lines of Contravallation of Gibraltar
set of fortifications
fest
name in German-speaking countries for a group of forts
Fortress Gripe
fort in Split, Croatia
Ashdod Yam
Old City of Ashdod
Barone Fortress
former fortification in Šibenik, Croatia
Blue Springs Encampments and Fortifications
place in Tennessee listed on National Register of Historic Places
Kingston Fortifications
UNESCO World Heritage Site
Nordberg Fort
museum and former coastal artillery site in Farsund, Norway
Moorish Tower
fortification in Lira, Spain
Camp Smith
temporary fortification
Al-Faqir Fort
18th-century fort in modern-day Saudi Arabia
Fort William Lighthouse
lighthouse in Ghana
Castillo
cultural property in Ojén, Spain
Fort Young
historic military fort in Dominica
National Redoubt
defensive plan devised by the Swiss government against foreign invasion
wagon fort
military defense formation
Mannerheim Line
defensive fortification line built by Finland against the Soviet Union
tabor
type of fortification in Europe
Victoria Lines
line of fortifications in Malta