Ouvrage Rochonvillers

Ouvrage Molvange is a large work, or gros ouvrage of the Maginot Line.

The National Mining Museum (French: Musée National des Mines) of

Ouvrage Aumetz is a small work, or petit ouvrage of the Maginot Line.

Bettembourg Castle (French: Château de Bettembourg) located in the

The ruins of Dudelange Castle (French: Château de Dudelange) are

Ouvrage Bréhain was part of the Fortified Sector of Crusnes of the

Ouvrage Sentzich is part of the Fortified Sector of Thionville of the

Lameschmillen, also known as the Bergemer Mühle, is located halfway

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