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