Kolomna Kremlin is a very large fortress in Kolomna, Russia. The stone
Illowra Battery was an Australian Army coastal battery at Port Kembla,
Ouvrage Hochwald is a gros ouvrage of the Maginot Line, one of the
Le bastion Saint-Laurent, anciennement bastion de la Fontaine, est un
Drummond Battery was a counter bombardment battery at Port Kembla,
The Hexamilion wall (Greek: Εξαμίλιον τείχος, 'six-mile wall') is a de
Dùn Morbhaidh, also known as Dun Borbaidh, is a hillfort located on
Dùn Dubh is a hillfort, located on the Inner Hebridean island of
The Green Street bunker at West End (Townsville), Queensland,
Dùn Anlaimh, also known as Dùn Amhlaidh, and Eilean nan Cinneachan, i
Il bastione dei Riformati, detto anche bastione Barbarigo, è un
Око́льный город — часть исторического центра
The Citadel of Calais is a fortress that was initially constructed in
Форт VI Тересполь (Полятычи) - форт первого фортового пояса
The fortifications of Kotor (Italian: Cattaro) are an integrated
Dùn an Achaidh, sometimes Anglicised as Dun Acha, is a dun located
CyberBunker is a former military nuclear warfare bunker and is
The Phoenix breakwaters were a set of reinforced concrete caissons
Brécourt was a Nazi Germany bunker started as an underground Naval
Dun Ardtreck is a D-shaped dun, or 'semi-broch', located on the west
Coordenadas: 32° 38' 28' N 16° 54' 55' O
The Gaugefechtsstand Wien (regional combat command center Vienna) was
An Caisteal (English: The Castle) is a hillfort located on the Inner
Fortifications of Jablunkov is a tourist attraction, one of the
29-я бронебашенная батарея Черноморского флота
Her Majesty's Royal Palace and Fortress, more commonly known as the
Kärnan (Swedish pronunciation: ]; Danish: Kernen, both literally
Omaha, commonly known as Omaha Beach, was the code name for one of the
The Citadel of Besançon in Franche-Comté, France, is one of the m
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