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