Ouvrage Aumetz

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

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

Ouvrage Rochonvillers is one of the largest of the Maginot Line

Differdange Castle (French: Château de Differdange), located on a

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

Ouvrage Bois du Four is a lesser work (petit ouvrage) of the Maginot

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

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

Eben-Emael was a Belgian fortress between Liège and Maastricht, near

The Alba Carolina Citadel (Romanian: Cetatea Alba Carolina) is a

Fort Copacabana (Portuguese: Forte de Copacabana, IPA: ]) is a

Kilitbahir Castle (Turkish: Kilitbahir Kalesi) is a fortress on the

Belémi torn