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