Berlinmuren
Kronborg
Den_Kinesiske_Mur
Tower_of_London
Dannevirke
Brandenburger_Tor
Kastellet
Bastillen
Carcassonne
Borg
Hadrians_mur
Belejringen_af_Leningrad
Trelleborg_(ringborg)
Betlehem
Skyttegrav
Kreml_(Moskva)
Bunker
Alcatraz
Alhambra
Windsor_Castle
Kreml
Voldsted
Koldinghus
Citadel
Voldgrav
Akropolis_(Athen)
Egeskov_Slot
Akershus_slot
Limes
Bastion
Garnison
Belejring
Jomsborg
Voldanlæg
Sønderborg_Slot
Bymur
Kaserne
Masada
Engelsborg_(Rom)
Motte-and-bailey
Atlantvolden
Aggersborg
Førerbunkeren
Palisade
Kasemat
Byport
Skanse_(forsvarsanlæg)
Maginot-linjen
Fort_Christiansborg
Fyrkat
Trekroner_(ø)
Beskyttelsesrum
Edinburgh_Castle
Malmøhus
Keep
Kurtine
Ravelin
Wartburg
Ringborg
Vindebro
Ulveskansen
Vordingborg_Slot
Caernarfon_Castle
Prags_borg
Dublin_Castle
Nonnebakken
Kernen
Conwy_Castle
Borgeby_slot
Skydeskår
Vandborg
Alcázar
Krak_des_Chevaliers
Krenelering
Oppidum
Castel_del_Monte
Militærbase
Machicoulis
Fort_Sumter
Homs
Carolusborg
Antoninusmuren
Harlech_Castle
Redoute
Dragetand
Kaponiere
Brystværn
Kalmar_Slot
Westwall
Bergenhus
Belémtårnet
Bohus_fæstning
Stirling_Castle
Agra_Fort
Drobeta-Turnu_Severin
Suomenlinna
Vestvolden
Beboelsestårn
Warwick_Castle
Vagttårn
Forhugning
Berme
Landskrona_slot
Tintagel_Castle
Koporje_(fæstning)
Gamleborg
Hesco-bastion
Fredriksten
Eketorp
Enceinte
Indre_tyske_grænse
Koncentrisk_borg
Riga_Slot
Durham_Castle
Burh
Bosjökloster
Bran_Slot
Muskauparken
Sjlisselburg
Ostrog
Réduit
Udenværk
Varberg_Fæstning
Burg_Hohenwerfen
Ksar
Malatya
Palmanova
Faskine
Kong_Edvards_borge_og_bymure_i_Gwynedd
Beaumaris_Castle
Kontregarde
Solovetskij-klosteret
Dry_Tortugas_National_Park
Hohenzollern_(slot)
Götavirke
Fort_Fredensborg
Gustav-linjen
Christian_4.s_Bryghus
Alnwick_Castle
Staraja_Ladoga
Borge_og_slotte_i_Danmark
Elfsborg
Slaget_ved_Fort_Eben-Emael
Nyenskans
Dover_Castle
Bäckaskog_slot
Festung_Hohensalzburg
Château_de_Chenonceau
Bamburgh_Castle
Skåne-linjen
Vyšehrad
Borge_og_slotte_i_Wales
Arundel_Castle
Porttårn
Bunratty_Castle
Battery_Park
Alcazaba_(Málaga)
Mannerheimlinjen
Himeji-borgen
Fæstningstårn
Københavns_bastionære_befæstning
Naarden
Castrum_Danorum
Fort_Eben-Emael
London_Wall
Vadstena_Slot
Ivangorod_fæstning
Sinjar
St_Michael's_Mount
Ait-Ben-Haddou
Bodiam_Castle
Fort_Douaumont
Dansborg
Offa's_Dyke
Leeds_Castle
Støpe
Château_du_Haut_Koenigsbourg
Château_Gaillard
Caerphilly_Castle
Kristiansten_fæstning
Gvardejsk
Urquhart_Castle
Carrickfergus_Castle
Visby_ringmur
Borgholm_Slot
Bjärsjöholm_slot
Garderhøjfortet
Fort_Boyard
Kongeslottet_i_Warszawa
Iceworm
Alesia
Dunnottar_Castle
Spærreballon
Vardøhus
Château_de_Montsoreau
Handelsforter_i_Ghana
Covadonga
Cu_Chi-tunnelerne
Rochester_Castle
Mosede_Fort
Guédelon
Rhinovergangen_406
York_Castle
Hjøllund
Läckö_slot
Kenilworth_Castle
Château_de_Vincennes
Izborsk
Carlstens_fæstning
Fotheringhay_Castle
Christianspris
Björnstorp_slot
Schloss_Vaduz
Fort_Vaux
Tunsberghus
Burg_Eltz
Torre_del_Oro
Fort_Prinsensten
Regelbau
York_bymur
Old_Sarum
Karlstein
James_af_Saint_George
Nyköpingshus
Bar-Lev-linjen
Colditz_slot
Fort_Monroe
Turaida_Borg
Walmer_Castle
Corregidor
Ludlow_Castle
Ydre_borggård
Caernarfon_bymur
Castle_Clinton
Montfortborgen
Blarney_Castle
Fasil_Ghebbi
Deal_Castle
Haakonsvern_Orlogsstasjon
Ærkebispegården
Devín_Slot
Syzran
Ailsa_Craig
Kastelholm_Slot
Trondenes_Fort
Kongsvinger_Fæstning
Fort_Knox_(militæranlæg)
Tybee_Island
Pendennis_Castle
Fort_Moultrie
Forsvarsministeriets_Ejendomsstyrelse
Krudttårn
Carlstad
Christiansholm_Fæstning_(Kristiansand)
Pevensey_Castle
Colchester_Castle
Conwy_bymur
Skytsborg
Framlingham_Castle
Chepstow_Castle
Fort_Capuzzo
Norwich_Castle
Raglan_Castle
Fort_Jesus
St_Mawes_Castle
Berkeley_Castle
Castra
Belejringen_af_Port_Hudson
Sandgate_Castle
Barbican
Pontefract_Castle
Fort_Duquesne
Fangehul
Matsumoto-borgen
Stjernefæstning
Karlsbergborgen
Brahehus
Warkworth_Castle
Zamek_Czocha
Blokhus_(bygning)
Faldgitter
Karlsborgs_fæstning
Barbara-linjen
Kasbah
Månstorp
Kumamoto-borgen
Dunvegan_Castle
Castell_Coch
Okayama_Slot
Crannog
Canterbury_Castle
Lewes_Castle
Vaxholms_fæstning
Sandown_Castle
Befæstet_kirke
Martellotårn
Sandal_Castle
Schloss_Artstetten
Bled_slot
Skyttegang
Lucca_bymur
Udvendig_skyttegang
Vognfort
Portbygning
Fort_Yuma-reservatet
Kystfort
Castellum_(fæstning)
Bergfried
Austrått_Fort
Henri_Alexis_Brialmont
Moorgate
Hastings_Castle
Dun_(fæstning)
The_Needles_(England)
Mordhul
Ringfort
Bakkefæstning
Scotney_Castle
Castle_Stalker
Faussebraye
Peel_tower
Doune_Castle
Den_Aurelianske_Mur
Brimstone_Hill_Fortress_nationalpark
Carisbrooke_Castle
Hornværk
Burgus
Bass_Rock
Orford_Castle
Sigulda_Borg
Befæstet_bolig
Serviusmuren
Kronværk
Launceston_Castle
Castle_Rising_(borg)
Tilflugtsborg
Puerta_del_Sol_(Toledo)
Indre_borggård
Ordensborg
Broborg
Halvtårn
Øborg
Lavlandsborg
Kvadratisk_borg
Middleham_Castle
Dunrobin_Castle
Carreg_Cennen_Castle
Fort_Pulaski
Belfast_Castle
Borge_og_slotte_i_Storbritannien_og_Irland
Tegart-fort
Schloss_Wolfegg
Forbjergsfæstning
Bolingbroke_Castle
Device_Forts
Csesznek
Ashtown_Castle
Kastellan
Quéribus_Borg
Cahir_Castle
Ashford_Castle
Kanontårn
Dudley_Castle
Toldborg
Søspærring
Malahide_Castle
Trim_Castle
Tērvete
Tonbridge_Castle
Mons_Peregrinus
Chillingham_Castle
Barnard_Castle_(slot)
Reichsburg
Sudeley_Castle
Flankeringstårn
Burgruine_Dürnstein_(Niederösterreich)
Halle_Port
Newark_Castle_(Nottinghamshire)
Højderygsborg
Grottefæstning
Beeston_Castle
Muness_Castle
Camp_Fistclench
Leap_Castle
Knaresborough_Castle
Ordensborgen_Malbork
Dunguaire_Castle
Halton_Castle
Borggård
Angrebsborg
Z-plansborg
Knepp_Castle
Broughty_Castle
Tårnborg_(fæstning)
Højborg
Peter_og_Paul-fæstningen
Polygonalt_fort
Maiden_Castle_(Dorset)
Aughnanure_Castle
Ventspils_Slot
Będzin_Borg
Fjell_fæstning
Scalloway_Castle
Falkland_Palace
Dartmouth_Castle
Fort_Leavenworth
Makurdi
Donegal_Castle
Flint_Castle
Tvangsborg
Eynsford_Castle
Hjørnetårn
Brotårn
Barmkin
Heksetårn
Indirekte_indgang
L-plansborg
Jordværk
Someries_Castle
Brough_Castle
Bauska_Slot
Alloa_Tower
Steep_Holm
Knappogue_Castle
Canterbury_bymur
Svartholm_fæstning
Ewyas_Harold_Castle
Longthorpe_Tower
Cardiff_Castle
Torre_delle_Ore
Château_du_Fleckenstein
Castello_dell'Imperatore
Kastellet_(Stockholm)
Bolsover_Castle
Earl's_Palace_(Birsay)
Azovfelttogene
Trematon_Castle
Fiddaun_Castle
Castle_Caulfield
Pembroke_Castle
Lews_Castle
Sant_Ferran_Borg
Taunton_Castle
Tamworth_Castle
Olavinlinna
Old_Wardour_Castle
Hedingham_Castle
Château_de_Chillon
Balhousie_Castle
Fort_Kongensten
Athlone_Castle
Castle_Hackett
Lincoln_Castle
Ballymore_Castle
Ballymote_Castle
Walden_Castle
Fort_Watauga
Norham_Castle
Tjerkasyborgen
Chilham_Castle
Donnington_Castle
Nottingham_Castle
Åbo_Slot
Landsbyer_med_befæstede_kirker_i_Transsylvanien
Corfe_Castle
Buckden_Towers
Yarmouth_Castle
Rhuddlan_Castle
Restormel_Castle
Nürnberger_Burg
Stadtburg
Usk_Castle
Macroom_Castle
Fæstning_Dömitz
Upnor_Castle
Trakai_slot
Hurst_Castle
Gin_Drinkers_Line
Dunstanburgh_Castle
Eilean_Donan_Castle
Venetianske_forsvarsværker_mellem_det_16._og_17._århundrede:_Stato_da_Terra_–_Vestlige_Stato_da_Mar
Thornbury_Castle
Southsea_Castle
Bungay_Castle
Torre_dei_Gualandi
Glamis_Castle
Ashby_de_la_Zouch_Castle
Folkestone_Castle
Portland_Castle
Berry_Pomeroy_Castle
Hardknott_romerske_fort
Bramber_Castle
Vallettas_forsvarsværker
Totnes_Castle
Raby_Castle
Etal_Castle
Cité_de_Carcassonne
Saltwood_Castle
Niedzica_Slot
Camber_Castle
Festung_Norwegen
Castello_Estense
Dumbarton_Castle
Aberystwyth_Castle
Jaunpils_Slot
Wallingford_Castle
Făgăraș
Fort_Matanzas_National_Monument
Powis_Castle
Codnor_Castle
Barnstaple_Castle
Chirk_Castle
Bewcastle_Castle
Donjon_de_Houdan
Ford_Castle
Celje_slot
Calshot_Castle
Enikale
Netley_Castle
Torna_Fort
Auckland_Castle
Tallaght_Castle
Caerlaverock_Castle
Berwick_Castle
Château_de_Busset
Woodcroft_Castle
Okehampton_Castle
Dunyvaig_Castle
Oxford_Castle
Newnham_Castle
Buckingham_Castle
St_Catherine's_Castle
Carlisle_Castle
Ogmore_Castle
Winchester_Castle
Mirów_Slot
Lugos_romerske_bymure
Dolwyddelan_Castle
Nunney_Castle
Baconsthorpe_Castle
Amberley_Castle
Melilla_la_Vieja
Culzean_Castle
Fort_Laramie_National_Historic_Site
Castle_Acre_Castle
Hartshill_Castle
Nürnberg_bymur
Abergavenny_Castle
Kidwelly_Castle
Duart_Castle
Coventry_Castle
Schloss_Bürresheim
Allington_Castle
Holt_Castle
Peveril_Castle
Conisbrough_Castle
San_Lorenzo_(Panama)
Projekt_Riese
Hijiborgen
Schloss_Lichtenstein_(Württemberg)
Caludon_Castle
The_Castle_(Newcastle)
Qal'at_Salah_El-Din
Brodick_Castle
Lindisfarne_Castle
Dunster_Castle
Castelo_de_Guimarães
Vindolanda
Bolton_Castle
Cooling_Castle
Deganwy_Castle
Ness_of_Burgi_fort
Thurnham_Castle
Muiderslot
Fort_Clark_(North_Dakota)
Montgomery_Castle
Stafford_Castle
Ørje_fort
Denbigh_Castle_og_bymur
Karlstor
Brandon_Castle
Chester_Castle
Belvoir_Castle
Berkhamsted_Castle
Sheriff_Hutton_Castle
Modrý_Kameň
Skenfrith_Castle
Loch_Gorm_Castle
Dinefwr_Castle
Wormegay_Castle
Scarborough_Castle
Killyleagh_Castle
Alberbury_Castle
Bowes_Castle
Kasteel_de_Haar
Fort_Union_Trading_Post_National_Historic_Site
West_Cowes_Castle
Chichester_Castle
Burgh_Castle
Bishop's_Palace_(Kirkwall)
Kórnik_Slot
Chester_bymur
Hertford_Castle
Stokesay_Castle
Bodelwyddan_Castle
Grosmont_Castle
Burgtor
Dubrovnik_bymur
Fort_Wool
Fort_Frederica
San_Marinos_tre_tårne
Crathes_Castle
Newcastle_Castle_(Bridgend)
Coity_Castle
Farleigh_Hungerford_Castle
Prudhoe_Castle
Biggleswade_Castle
White_Castle_(Wales)
Auduns_borg
Deganwy
Bymure_i_England_og_Wales
Cardigan_Castle
Newark_Castle_(Fife)
Fort_Caroline
Fort_Washington_(Massachusetts)
St_Donat's_Castle
Leicester_Castle
Flitwick_Castle
Powderham_Castle
Brecon_Castle
Wressle_Castle
Kilchurn_Castle
Kingsgate_Castle
Hawarden_Castle_(middelalder)
Llansteffan_Castle
Drum_Castle
Ashley_Castle
Earl's_Palace_(Kirkwall)
Chiddingstone_Castle
Borge_og_slotte_i_Østrig
Rothesay_Castle
Leineschloss
Ruthin_Castle
Dolbadarn_Castle
Château_de_Beynac
Burg_Kreuzenstein
Wat's_Dyke
Kingerby_Castle
Bristol_Castle
Tattershall_Castle_(Lincolnshire)
Craigievar_Castle
Hay_Castle
Portchester_Castle
Newport_Castle
Totternhoe_Castle
Lympne_Castle
Hadleigh_Castle
Brougham_Castle
Gola_Dzierżoniowska_slot
Lumley_Castle
Compton_Castle
Braemar_Castle
Muncaster_Castle
Caldicot_Castle
Goodrich_Castle
Lancaster_Castle
Clun_Castle
Sizergh_Castle_&_Garden
Lydford_Castle
Tegarts_mur
Southampton_Castle
Amsterdams_bymur
Beverstone_Castle
Picton_Castle
Penrith_Castle
Hereford_Castle
Fort_Abercrombie
Rougemont_Castle
Fort_George_(Highland)
Haverfordwest_Castle
Criccieth_Castle
Penrhyn_Castle
Bridgnorth_Castle
Kildrummy_Castle
Huntly_Castle
Western_Heights
Kirtling_Tower
Laugharne_Castle
Inverness_Castle
Manorbier_Castle
Raudonė_Slot
Skipton_Castle
Cawdor_Castle
Carew_Castle
Appleby_Castle
Bromwich_Castle
Neath_Castle
Greystoke_Castle
Caister_Castle
Moreton_Corbet_Castle
Cilgerran_Castle
Castell_y_Bere
Richmond_Castle
Dunbar_Castle
Caus_Castle
Aydon_Castle
Croft_Castle
Castell_Aberlleiniog
Castello_di_Torrechiara
Devizes_Castle
Pendragon_Castle
Tenby_Castle
Fort_Kearny_(Nebraska)
Skipness_Castle
Llawhaden_Castle
Newcastle_bymur
Kenfig_Castle
Chartley_Castle
Castell_Dinas_Bran
Llandovery_Castle
Swansea_Castle
Halton_Castle_(Northumberland)
Pennard_Castle
Twthill_(Rhuddlan)
Castle_Tioram
Shrewsbury_Castle
Brancepeth_Castle
Carmarthen_Castle
Oystermouth_Castle
Whittington_Castle
Oxwich_Castle
Wolvesey_Castle
Bothal_Castle
Castle_Campbell
Noltland_Castle
Barnwell_Castle
Kendal_Castle
Kirby_Muxloe_Castle
Tynemouth_Castle
Featherstone_Castle
Culcreuch_Castle
Worcester_Castle
Pickering_Castle
Penrice_Castle
Broughton_Castle
Rockingham_Castle
Loughor_Castle
Gwydir_Castle
Duntrune_Castle
Tutbury_Castle
Affeton_Castle
Ruperra_Castle
Morpeth_Castle
Duns_Castle
Edlingham_Castle
Newcastle_Emlyn_Castle
Edinburgh_bymur
Eccleshall_Castle
Shirburn_Castle
Sherborne_Castle
Kingswear_Castle
Bargate
Fonmon_Castle
Dryslwyn_Castle
Kellie_Castle
Odiham_Castle
Gidleigh_Castle
Wiston_Castle
Longtown_Castle
Barry_Castle
Castle_Sween
Morlais_Castle
Fa'side_Castle
Weeting_Castle
Wilton_Castle
Christchurch_Castle
Naworth_Castle
Langley_Castle
Clitheroe_Castle
Wigmore_Castle
Caergwrle_Castle
Ewloe_Castle
Tickhill_Castle
Hailes_Castle
Farnham_Castle
Guildford_Castle
Hylton_Castle
Helmsley_Castle
Hartlebury_Castle
Builth_Castle
Witton_Castle
Corby_Castle
Claxton_Castle
Morgraig_Castle
Callaly_Castle
Mettingham_Castle
Scaleby_Castle
Mitford_Castle
Cawood_Castle
Thirlwall_Castle
Old_Beaupre_Castle
Cockermouth_Castle
Ludgershall_Castle
Skipsea_Castle
Bywell_Castle
Gilling_Castle
Askerton_Castle
Dacre_Castle
Narberth_Castle
Hutton_in_the_Forest
Alton_Castle
Bickleigh_Castle
Ince_Castle
Harbottle_Castle
Acton_Burnell_Castle
Chipchase_Castle
Hornby_Castle_(Lancashire)
Piel_Castle
Clifford_Castle
Coupland_Castle
St_Briavel's_Castle
Moy_Castle
Tretower_Castle
Dyngehus
Brampton_Bryan_Castle
Carrick_Castle
Dolforwyn_Castle
Aberdyfi_Castle
Llangynwyd_Castle
Fincharn_Castle
Haughton_Castle
Coventry_bymur
Gwrych_Castle
Clare_Castle
Eye_Castle
Westenhanger_Castle
Grimsthorpe_Castle
Cartington_Castle
Lavendon_Castle
Brinklow_Castle
Fort_McPherson_(Nebraska)
Thorpe_Waterville_Castle
Westgate_(Canterbury)
Mold_Castle
Blenkinsopp_Castle
Castell_Arnallt
St_Quintins_Castle
Sutton_Valence_Castle
Kinnersley_Castle
Fort_Totten
Pembridge_Castle
Hemyock_Castle
Weobley_Castle_(Glamorgan)
Drumburgh_Castle
Llantrisant_Castle
Hopton_Castle
Mulgrave_Castle
Gleaston_Castle
Carndochan_Castle
Caverswall_Castle
Stogursey_Castle
Crickhowell_Castle
Beaudesert_Castle
Armathwaite_Castle
South_Cowton_Castle
Aberedw_Castle
Prestatyn_Castle
St_Leonard's_Tower_(West_Malling)
Bolebroke_Castle
Blaenllyfni_Castle
Castell_Moel
Tregrug_Castle
Southampton_bymur
Northborough_Manor_House
Elsdon_Castle
Arnside_Tower
Berwick_bymur
Bryn_Bras_Castle
Kildonan_Castle
Kildare_Castle
Beaumys_Castle
Abergavenny_bymur
Roch_Castle
Hornby_Castle_(Yorkshire)
Johnstown_Castle
Strome_Castle
Penkill_Castle
Star_Castle_(Isles_of_Scilly)
Dalton_Castle
Chepstow_Town_Gate
Westgate_(Winchester)
Walton_Castle
Beaumaris_bymure
Berlinmurens_fald
Monmouth_bymur
Branthwaite_Hall
Bampton_Castle_(Oxfordshire)
Newport_Arch
Clifton_Hall_(Cumbria)
Burghead_Fort
Flèche
Cockle_Park_Tower
Pembroke_bymur
Tenby_bymur
Corbridge_Vicar's_Pele
Stormen_på_Bastillen
Salcombe_Castle
Embleton_Tower
Cromwell's_Castle
Newton_St_Loe_Castle
Bondgate_Tower
Paull_Holme_Tower
Fort_Mercer_(USA)
Dorchester_Castle
Tor_Castle
Marmion_Tower
Brackenhill_Tower
Bath_bymur
Bitchfield_Tower
Worcester_bymur
Alnwick_bymur
Burneside_Hall
Upton_Castle