Berlinmuren
Tower_of_London
Den_kinesiske_mur
Akershus_slott_og_festning
Carcassonne
Borg
Brandenburger_Tor
Betlehem
Akropolis_(Athen)
Alhambra
Beleiringen_av_Leningrad
Windsor_Castle
Kreml_(Moskva)
Bygdeborg
Hadrians_mur
Fredriksten_festning
Bastillen
Kronborg_slott
Førerbunkeren
Beleiring
Homs
Edinburgh_Castle
Bergenhus_festning
Alcatraz
Stormingen_av_Bastillen
Garnison
Bunker_(bygning)
Castel_Sant’Angelo
Citadell
Wartburg
Kreml
Maginotlinjen
Haakonsvern_orlogsstasjon
Wolfsschanze
Vollgrav
Masada
Kristiansten_festning
Bastion
Kaserne
Atlanterhavsvollen
Danevirke
Militærbase
Sveaborg
Forsvarsmur
Karljohansvern
Port
Limes
Tilfluktsrom
Vardøhus_festning
Caernarfon_Castle
Kystfort
Kasematt
Skyttergrav
Alamut
Den_tyske_ordens_slott_i_Malbork
Gibraltars_historie
Borgen_i_Praha
Dublin_Castle
Kongsvinger_festning
Conwy_Castle
Trondenes_fort
Agra_fort
Motte-and-bailey
Den_indre_tyske_grense
Palisade
Sjlisselburg
Den_antoninske_mur
Fort_Knox
Vestvollen
Peter-Paulus-festningen
Erkebispegården_i_Trondheim
Krak_des_Chevaliers
Skanse
Stirling_Castle
Solovkiklosteret
West_Point_(New_York)
Kastellet_(København)
Malatya
Trelleborg_(borganlegg)
Bohus_fästning
Vindebro
Beleiringen_av_Sarajevo
Staraja_Ladoga
Parapet
Castrum
Austrått_fort
Kalmar_slott
Redutt
Muskauparken
Despotatet_Morea
Drobeta_Turnu_Severin
Byport
Christiansborg_(fort)
Himejiborgen
Belémtårnet
Nusaybin
Borgtårn
Jomsborg
Den_aurelianske_mur
Royal_Engineers
Durham_Castle
Tunsberghus
Serviusmuren
Oppidum
Fangehull
Fjell_festning
Dover_Castle
Bosra
Mannerheimlinjen
Beaumaris_Castle
Harlech_Castle
Ringmur
Hohenzollern_(slott)
Bran_slott
Linlithgow_Palace
Kongeslottet_i_Warszawa
Kastell
Dry_Tortugas_nasjonalpark
Fort_Sumter
Shanhaiguan
Kasbah
Castle_of_Mey
Gustavlinjen
St_Michael’s_Mount
Krenelering
Cardiff_Castle
Palazzo_Madama_i_Torino
Dura_Europos
London_Wall
Canossa
Warwick_Castle
Egeskov_slott
Beleiringen_av_Sevastopol
Falkland_Palace
Battery_Park
Bamburgh_Castle
Turell
Westerplatte
Dzong
Sinjar
Festung_Norwegen
Dunnottar_Castle
Koldinghus
Aggersborg
Glacis
Christiansholm_festning
Beleiringen_av_Antiokia
Château_d’If
Hindenburglinjen
Peñón_de_Vélez_de_la_Gomera
Offas_dike
Naarden
Alnwick_Castle
Palmanova
Malmøhus
Château_de_Chenonceau
Borggård
Fort_Ticonderoga
Ørje-fortene
Dunstable
Fredrikstad_festning
Kvarven_fort
Crannóg
Sønderborg_slott
Bodiam_Castle
Glamis_Castle
Hwaseong_festning
Fyrkat
Ait-Ben-Haddou
Zarajsk
Älvsborg_festning
Fyrstepalasset_i_Monaco
Fort_Leavenworth
Königstein_festning
Ailsa_Craig
Fasil_Ghebbi
Sperreballong
Qal’at_Salah_El-Din
Regelbau
Hermannsfeste
Kernen
Syzran
Handelsfort_i_Ghana
Eilean_Donan
Qianmen
Fort_Boyard
Alcázar_av_Segovia
Quseir_Amra
Riga_festning
Ravelin
Bishopsgate
Dumbarton_Castle
Old_Sarum
Vadstena_slott
Carlstens_festning
Chillon_slott
Førerhovedkvarter
Château_Gaillard
Gvardejsk
Olofsborg
Ehrenbreitstein
De_lange_murene
Akrokorint
Chapultepec-slottet
Herodium
Golconda
Tunnelene_i_Cu_Chi
Spisskyborgen
Fort_Jesus
Nyköpingshus
Det_hvite_tårnet
Japanske_borger
Kuressaare_slott
Läckö_slott
Møkkaporten
Colditz_slott
Doune_Castle
Tavastehus_slott
York_Castle
Ludlow_Castle
Sundås_batteri
Nyenskans
Castrum_Danorum
Fort_Eben-Emael
Mutianyu
Borgen_Liechtenstein
Cape_Coast_Castle
Peel_Castle
Nonnebakken
Schloss_Vaduz
Neuf-Brisach
Vannborg
Visby_ringmur
Martellotårn
Fort_Amsterdam_(Curaçao)
Flaktårn
Norske_Løve_(fort)
Adlerhorst
Nottingham_Castle
Fort_Monroe
Fredriksberg_fort
Hohensalzburg
Vatneleiren
Christiansfjeld_festning
Gabioner
Loch_Leven_Castle
Vilnius_slottskompleks
Beaufortborgen_(Libanon)
Fort_McHenry
Faskin
Fredriksholm_festning
Fotheringhay_Castle
Dansborg
Ksour
Presidio_of_San_Francisco
Førerhovedkvarteret_Werwolf_(
Winchester_Castle
Blaker_skanse
Staverns_Fort
Chepstow_Castle
Corregidor
Castle_Rushen
Jagdschloss_Glienicke
Vaxholms_fästning
Bodens_fästning
Ringborg
Forhugning
Fort_St._Elmo
Raglan_Castle
Golubac_festning
Skytsborg
Felsennest
Takufortene
Lindisfarne_Castle
Machaerus
Veste_Coburg
Utenverk
Kim_Il-sung_militæruniversitet
Burh
Fredensborg_(fort)
Beijings_bymur
Norwich_Castle
Porkhov
Réduit
Charlottenborg
Civitella_in_Val_di_Chiana
Castell_de_Montjuïc
Newgate
Castillo_de_San_Marcos
Vordingborg_slottsruin
Ivangorod_festning
Kaponnier
Ai-Khanoum
Den_saksiske_kysten
Fort_Duquesne
Korela_festning
Alanya_Kalesi
Ordensburg
Dun_(byggverk)
Lagmannsholmen
Trekroner_fort
Bunratty_Castle
Pillbox
Copacabana-fortet
Landskrona_slott
The_Needles
Simatai
Fort_Zeelandia_(Formosa)
Christiansø_festning
Jiayuguan_(pass)
Rothesay_Castle
Fort_Prinsensten
Château_du_Haut-Kœnigsbourg
Eildon_Hill
Basmo_festning
Posad
Housesteads_romerske_festning
Portfestningen_i_Warszawa
Château_de_Chalus-Chabrol
Bala_Hissar
Meløyvær_fort
Eketorp
Festningen_Louisbourg
Raby_Castle
Wolfsschlucht_I
Karlsborgs_festning
Tenalje
Narikala
Schloss_Sonnenstein
Bosjökloster
Middleham_Castle
Castel_del_Monte
Flat_Holm
Ludgate
Hedingham_Castle
Det_pommerske_hertugslottet_i_Szczecin
Kildrummy_Castle
Brodick_Castle
McChord_Air_Force_Base
Turnberry_Castle
Fort_St._Angelo
Castillo_San_Felipe_del_Morro
Sandal_Castle
Slains_Castle
James_av_St._George
Dyngehus
Makurdi
Fort_Dearborn
Rozafa
Chester_Castle
Baynard’s_Castle
Burg_Frankenstein
Dunstanburgh_Castle
Yedikule
Qasr_al-Hayr_al-Gharbi
Tattershall_Castle
Christian_IVs_bryggerhus
Leineslottet
Aldersgate
Ulpia_Traiana_Sarmizegetusa
Borgeby
Pevensey_Castle
Halmyris
Guédelon
Dunadd
Lewes_Castle
Dorchester-on-Thames
Tirol_(slott)
Matsumotoborgen
Xi’ans_befestninger
Devizes_Castle
Dunstaffnage_Castle
Fort_Astoria
Moorgate
KW-linjen
Fort_Stanwix
Rutupiæ
Smederevo_festning
Deal_Castle
Fort_Carré
Koporje
Carrawburgh
Nimrodsborgen
Kantara-festningen
Cripplegate
Jenikale
Roxburgh_Castle
Vestvolden
Anaklia
Bolton_Castle
Trezzo_sull’Adda
Peveril_Castle
Bolingbroke_Castle
Fort_Manoel
Auduns_borg
Kongensten_(fort)
Kavaler_(befestning)
Woburn_Sands
Dwejra
Citadelle_de_Besançon
Beeston_Castle
Tynemouth_Castle
Chirk_Castle
Łańcut-slottet
Farleigh_Hungerford_Castle
Trifels-festningen
Fort_Rupert
Kendal_Castle
Burg_Eltz
Ujazdów-slottet
Fort_Michilimackinac
Slottet_i_Montsoreau
Barnard_Castle_(slott)
Götavirke
Rhodes’_festningsverker
Rhuddlan_Castle
Månstorp
Svartholm_festning
Książ
Olsborg_slott
Hastings_Castle
Ukhaidir
Castello_Barbarossa
Bymurene_i_Warszawa
Fort_St._Michael
Fort_Clark
Qasr_al-Hayr_al-Sharqi
Gusuku
Fort_Huachuca
Fortaleza_da_Guia
Toprakkale
Torres-linjene
Porta_Maggiore
Tsaparang
Varberg_slott
Forte_di_Fenestrelle
Château_de_Vincennes
Bent’s_Fort
Fort_Washakie
Celje_slott
Gin_Drinkers_Line
Stjernefestning
Střekov_(borg)
Grebbelinjen
Fossebre
Waterfort
Fallgitter
Fort_Mackinac
Fort_Mason
Cilgerran_Castle
Oxwich_Castle
Malaya_Zemlya
Strata_Diocletiana
Fort_Crown_Point
Dinefwr_Castle
Southsea_Castle
Vyšehrad_(slott)
Castra_Praetoria
Brod_festning
Royal_Observer_Corps
Habsburg_(borg)
Báthoryborgen
Knaresborough_Castle
Christianspris
Quadrilatero
Fort_Orléans
Evenburg
Framlingham_Castle
Forsvarsministeriets_Ejendomsstyrelse
Romerrikets_grenser_–_Nedre_Germanias_limes
Château_de_Taillebourg
Devín_borg
Donaulimes
Scotney_Castle
Steep_Holm
Tickhill-festningen
Wolf’s_Castle
Hijiborgen
Birdoswald
Kontregarde
Chankillo
Melilla_La_Vieja
Château_de_Brie-Comte-Robert
Yongdingmen
Špilberk_festning
Buda-slottet
Raigad_festning
Taragarh_fort
Riccarton
Clun_Castle
Hardings_batteri
De_theodosianske_murer
Heidelberg_slottsruin
Nagoya-jō
Csesznek
Dumfries_Castle
Tybee_Island_(Georgia)
Marinekazerne_Suffisant
Fort_Pilar
Diyarbakırfestningene
Ayaborgen
Burg_Frauenstein
Santa_Catarina_(fort)
Mong_Há
Gorgans_store_mur
Festningen_i_Guimarães
Montfichet’s_Castle
Tegart-fort
Porttårn
Fort_Totten
De_Haar_slott
Slottet_i_Gola_Dzierżoniowska
South_Channel_Fort
Malahide_Castle
Porta_Settimiana
Fortaleza_do_Monte
Fort_Nepean
Kincardine_Castle
Bastamborgen
Litice_(borg)
Wats_dike
Howth_Castle
Tegarts_mur
Worli_Fort
Bridgnorth_Castle
Carlstad
Temp_(flybase)
Pen_Dinas
Kakunodateborgen
Long_Mountain
Fort_Saint-Frédéric
Operasjon_Tracer
Dniprolinjen
Camp_Fistclench
Cluilergrøften
Burg_Bilstein_(Lennestadt)
Fort_Carillon
Jesuit_Hill_Battery
Kongeslottet_på_Wawel