Betlehem
Berlinmuren
Akershus_festning
Tower_of_London
Homs
Den_kinesiske_muren
Borg
Eilean_Donan
Bygdeborg
Bymur
Garnison
Hadrianmuren
Kreml_i_Moskva
Akropolis_i_Aten
Kreml
Carcassonne
Bastillen
Alhambra
Drobeta-Turnu_Severin
Citadell
Den_antoninske_muren
Anleggsarbeid
Bosra
Kronborg_slott
Fredriksten
Sveaborg
Nusaybin
Kaserne
Kringsetjinga_av_Leningrad
Bass_Rock
Sjlisselburg
Atlanterhavsmuren
Krak_des_Chevaliers
Ailsa_Craig
Malatya
Staraja_Ladoga
Pa
Zarajsk
Blokkhus
Bergenhus_festning
Château_de_Blois
Stjernefestning
Haakonsvern_Orlogsstasjon
Båhus_festning
Gvardejsk
Castrum_Danorum
Shanhaiguan
Salah_Ed-Din-borga
Olofsborg
Peñón_de_Vélez_de_la_Gomera
Lahore_festning
Syzran
Mannerheimlinja
Kristiansten_festning
Porkhov
Festninga_Louisbourg
London_Wall
Westerplatte
Sinjar
Kystfort
Posad
Dunstable
Parapet
Dunnottar_Castle
Koróni
Martellotårn
Karljohansvern
Akrokorint
Festung_Norwegen
Csesznek
The_Needles
Fjell_festning
Vollgrav
Solovkiklosteret
Fort_McHenry
St_Michael's_Mount
Palamídi
Flat_Holm
Nya_Elfsborg
Cramond_Island
Palisade
Daugavgrīva
Nagoya-jō
Maginotlina
Clifford's_Tower
Fort_Carillon
Kandára-festninga
Stirling_Castle
Făgăraș
Brean_Down
Ringmur
Karýtena
Dublin_Castle
Koznik
Beeston_Castle
Bishop's_Castle
Korela_festning
Toprakkale
Inchgarvie
Vindolanda
Steep_Holm
Drake's_Island
Hindenburglina
Peter-Paulus-festningen
Cleeve_Hill
Walbury_Hill
Hwaseong
Rosyth_Castle
Dyngehus_borg
Vyšehrad
Fanári_i_Kardítsa
Burry_Holms
Krenelering
Berry_Head
Pen_Dinas
Ivangorod_festning
Blaker_skanse
Maiden_Castle_i_Dorset
Borgholms_slott
Îles_Saint-Marcouf
Graviá
Festninga_i_Mainz
Bulbarrow_Hill
Hardknott_Roman_Fort
Ludgate
Thorn_Island
Magnis_i_Carvoran
Cilurnum
Eildon_Hill
Borough_Hill
Kinnaird_Head
Dodman_Point
Brent_Tor
Milecastle
Little_Cumbrae_Castle
Brown_Clee_Hill
Long_Mountain_i_Powys
Uqair
Whitsand_Bay
Foel_Fenlli
Bolt_Tail
Caer_Caradoc
Cadbury_Hill
Beacon_Hill_i_Leicestershire
Wandlebury_Hill
Gurnard's_Head
The_Rumps
Sutton_Bank
High_Peak_i_Devon
Bredon_Hill
Totternhoe_Knolls
Beacon_Hill_i_Burghclere_i_Hampshire