Diamond Rock (Rocher du Diamant) is a 175 meter (574 feet) high basalt
Rumelihisarı (Rumelian Castle) is a fortress located in Istanbul,
Kolomna Kremlin is a very large fortress in Kolomna, Russia. The stone
The Halászbástya or Fisherman's Bastion is a terrace in neo-Gothic a
The island of Spinalonga (Greek: Σπιναλόγκα), officially known as
Tvrđava svetog Mihovila u Šibeniku (od 1990-ih) , razg. Tvrđava sv
The Three Castles of Bellinzona are a group of fortifications located
The Longues-sur-Mer battery was a World War II artillery battery
The Pucará de Tilcara is a pre-Inca fortification or pucará located o
Brest Fortress (Belarusian: Брэсцкая крэпасць, ISO 9: Brèsckaâ krèpas
Hanging bunker at Devil's slide is an abandoned military triangulation
Fort Scratchley was a coastal defence installation at Newcastle, New
ਅਲਕਸਬਾ ਮਾਲਾਗਾ (ਸਪੇਨੀ: Alcazaba de Málaga) ਮਾਲਾਗਾ, ਸਪੇਨ ਵਿੱਚ ਇੱਕ ਵਿਸ
St. Nicholas Fortress (hrvatski. Tvrđava Sv. Nikole) is a fortress
Soviet Nuclear Bunker 'Pansionat' ਇੱਕ ਯਾਤਰੀ ਆਕਰਸ਼ਣ ਹੈ, Skal
The Klis Fortress (hrvatski. Tvrđava Klis) is a medieval 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,
Daugavpils Fortress, also known as Dinaburg Fortress, is a fortress in
Ruthven Barracks near Ruthven, Highland in Scotland are the smallest
The Tangansky Protected Command Point, also known as An-02 (1947),
The Biertan fortified church (Romanian: Biserica fortificată din
The York Cold War Bunker is a two-storey semi-subterranean Cold War
Hwaseong (Brilliant Castle/ Fortress), the wall surrounding the centre
The Sighisoara Citadel is the old historic center of the town of
The Zaraysk Kremlin is a rectangular fortified citadel, built on the
Hıdırlık Tower (Turkish: Hıdırlık Kulesi) is a landmark tower of tawny
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