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