The York Cold War Bunker is a two-storey semi-subterranean Cold War
The Tangansky Protected Command Point, also known as An-02 (1947),
La Coupole (English: The Dome) was a Nazi Germany bunker constructed
Fort Denison is a former penal site and defensive facility occupying a
El V-3 (Vergeltungswaffe 3) va ser una superarma Alemana de la Segona
La Halászbástya o Bastió dels Pescadors és una terrassa d'estils neo
Kolomna Kremlin is a very large fortress in Kolomna, Russia. The stone
The island of Spinalonga (Greek: Σπιναλόγκα), officially known as
The Three Castles of Bellinzona are a group of fortifications located
The Longues-sur-Mer battery was a World War II artillery battery
Tvrđava svetog Mihovila u Šibeniku (od 1990-ih) , razg. Tvrđava sv
La Fortalesa de Brest (en bielorús:Брэсцкая крэпасць Brèsckaâ krèpasc
Soviet Nuclear Bunker 'Pansionat' és una atracció turística, una de
El Pucará de Tilcara és una fortalesa construïda pels tilcaras, una pa
Hanging bunker at Devil's slide is an abandoned military triangulation
Fort Scratchley was a coastal defence installation at Newcastle, New
The Klis Fortress (hrvatski. Tvrđava Klis) is a medieval fortress
L'Alcassaba de Màlaga és una fortificació de l'època musulmana. Es tro
St. Nicholas Fortress (hrvatski. Tvrđava Sv. Nikole) is a fortress
Citadella is the Hungarian word for Citadel, a kind of fortress. The
Rocca Calascio is a ruined mountaintop fortress or rocca in the
Imperialfästningen (hrvatski. Utvrda Imperijal) är en fästning i Du
The Torry Battery is an artillery battery near Torry in Aberdeen,
The Biertan fortified church (Romanian: Biserica fortificată din
Daugavpils Fortress, also known as Dinaburg Fortress, is a fortress in
Battery Chamberlin is an artillery battery in the Presidio of San
Ruthven Barracks near Ruthven, Highland in Scotland are the smallest
Hwasong o Hwaseong és una fortalesa a la ciutat de Suwon, Corea del
The Sighisoara Citadel is the old historic center of the town of
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