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