Tags
- 49er
- 6
- A
- Abatis
- Acropolis
- Actual
- Agger
- Air-raid shelter
- Alcazaba
- Alcázar
- Alps
- Alsace
- Amba
- Amphibian
- Andreessen
- Anti-tank trench
- Arrowslit
- Arsenal
- Asian
- Asian Americans
- Atla
- Attached
- AVANCE
- Bailey
- Balmaclellan
- Banks ATM Network and Customer Services
- Barbara Pike
- Barbed tape
- Barbed wire
- Barbette
- Barbican
- Bargemon
- Barricade
- Bartizan
- Bastion
- Bastion fort
- Battlement
- Bawn
- Bayeux Tapestry
- Beneteau
- Bergfried
- Berkhamsted Castle
- Berm
- Blast shelter
- Blockhouse
- Bomb shelter
- Border barrier
- Border outpost
- Border Security
- Breastwork
- Bretèche
- Bridge tower
- British anti-invasion preparations of the Second World War
- Broch
- Bronze Age
- Bunker
- Burh
- Caër
- Calais
- Caltrop
- Calvinism
- Cambridge Castle
- Canal
- Caponier
- Carisbrooke Castle
- Carolingian Empire
- Casemate
- Castellum
- Castle
- Castles in Great Britain and Ireland
- Castle town
- Castra
- Castro culture
- Catalonia
- Cavalier
- Chalk
- Chashi
- Château
- Château de Dinan
- Chemin de ronde
- Chemise
- Circular rampart
- Citadel
- City gate
- Civil defense
- Clay
- Coastal artillery
- Coastal defence and fortification
- Concertina wire
- Conseil
- Continuity of government
- Corfe Castle
- Corner tower
- Counter-castle
- Counts and dukes of Anjou
- Coupure
- Courtyard
- Covertway
- Crannog
- Crownwork
- Culture
- Culture war
- Curtain wall
- Daniel Dennett
- David I of Scotland
- Defense line
- Defensive fighting position
- Defensive wall
- Digital elevation model
- Ditch
- Doug Wilson
- Dragon's teeth
- Drawbridge
- Duke of Normandy
- Dun
- Dungeon
- Durham Castle
- Dzong architecture
- Electric fence
- Embrasure
- Enceinte
- Enfants
- England
- Entrenchment
- E.T.
- Factor
- Faire
- Fallout shelter
- Femmes d'aujourd'hui
- Festung
- Feudal
- Fire support base
- Flanders
- Fleche
- Fortification
- Fortified church
- Fortified house
- Fortified tower
- Forward operating base
- Four
- FPO
- France
- France 2
- Friesland
- Fujian Tulou
- Gabion
- Galloway
- Garret
- Gatehouse
- Gate tower
- Gimson
- Glacis
- Gord
- Gorge
- Grad
- Grande Motte
- Gravel
- Guard tower
- Gunpowder magazine
- Gun turret
- Gusuku
- Hall
- Hardened aircraft shelter
- Hastings Castle
- Henry II of England
- Hérault
- Heritage
- Herpetology
- Hesco bastion
- Hide
- Hillfort
- Hilltop castle
- Historic England
- Hoarding
- Holy Roman Empire
- In Europe
- Inner bailey
- In Summer
- International Standard Book Number
- Island castle
- Isle of Wight
- Jagdschloss
- Japanese castle
- Kabal
- Kaiserpfalz
- Kasbah
- Keep
- Kremlin
- Ksar
- La Grande
- La Grande-Motte
- Land mine
- Landwehr
- Les Zone
- Lightning
- Limés
- Lincoln Castle
- Lincoln, England
- Loiré
- Loophole
- Low Countries
- Lower Rhine
- Lunette
- Lustschloss
- Luxury
- Machicolation
- Magazine
- Martello tower
- Masonry
- May
- Medieval fortification
- Merlon
- Military base
- Military urbanism
- Mindset
- Missile launch facility
- Moat
- Monarcas Morelia
- Moscow
- Motte
- Motte-and-bailey castle
- Multihull
- Murder-hole
- Nacra 17
- National Heritage List for England
- National redoubt
- Nella Vela
- Neon Genesis Evangelion
- Netherlands
- New
- Normandy
- Normans
- Norwich Castle
- Nuraghe
- OCLC
- Open access
- Oppidum
- Ordensburg
- Oslo
- Ostrog
- Outer bailey
- Outpost
- Outwork
- Overton window
- Pacific Islander
- Palanka
- Palas
- Palisade
- Picket
- Pillbox
- Pinker
- Place
- Places
- PLU
- Portcullis
- Postern
- Pour
- Powder Tower
- Presidio
- Punji stick
- Qalat
- Rampart
- Ravelin
- Redan
- Redoubt
- Reduit
- Retrenchment
- Revetment
- Rhine
- Ribat
- Ricetto
- Ringfort
- RLP
- Robert Merle
- Rocca
- Rock Castle
- Roundel
- Roundup
- Royal Anthropological Institute of Great Britain and Ireland
- Royal Archives
- Rugby Americas North
- Sail Canada
- Sally port
- Sandbag
- Sangar
- Schanze
- Schloss
- Schwedenschanze
- Sconce
- Seat of local government
- Seminary of the Southwest
- Sentry gun
- Shield wall
- Siege
- Siege engine
- Skiff
- Skipsea
- Snow
- Snowboard
- Snow gear
- Sod
- Songwriting competition
- Spider hole
- Stansted Mountfitchet
- Station
- Sterritt
- Stockade
- Submarine pen
- Subsidence
- Subterranean warfare
- Summer
- Tenaille
- Terp
- The best
- The killing
- The Optimists
- The Overton Window
- The week
- Timber Hall
- Tot Nu
- Tower House
- Trench
- Trench warfare
- Tumulus
- Tunnel warfare
- Turret
- Underground hangar
- Underpinning
- Unfree labour
- University College, Durham
- Urban guerrilla warfare
- Urban warfare
- Utilitarianism
- Vallum
- Vedette
- Vegetarianism and wine
- Vivant
- Wagon fort
- War
- Watchtower
- Water castle
- Welsh Marches
- What
- William the Conqueror
- Window
- Windsor Castle
- Wine selection
- Wire obstacle
- World War II
- Yagura
- Yett
- York Castle
- Zeeland
- Zwinger