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