Fort Douaumont (French: Fort de Douaumont) was the largest and highest fort on the ring of 19 large defensive works which had protected the city of Verdun...

Fort de Joux (French pronunciation: [fɔʁ də ʒu]) or Château de Joux (French pronunciation: [ʃato də ʒu]) is a castle, later transformed into a fort,...

Fort Vaux (French: Fort de Vaux), in Vaux-Devant-Damloup, Meuse, France, was a polygonal fort forming part of the ring of 19 large defensive works intended...

around Thise to 619 metres (2,031 ft) at the Fort de la Dame Blanche. Historically, quarries in Chailluz provided the chalky, blue and beige mottled stone...

telephone. Fort Souville is located south of Fort Douaumont and southwest of Fort Vaux. The fort was one of the first forts of the Séré de Rivières system...

barrière de fer: l'architecture des forts du général Séré de Rivières (1872–1914) [The Iron Wall: The Architecture of the Forts of General Séré de Rivières...

fort was connected to other Belfort forts by the Chemins de fer du Territoire de Belfort strategic railroad. The fort was equipped with optical semaphores...

northern France. This fort was built between 1877 and 1880. It is the work of the French general and military engineer Raymond Adolphe Sere de Rivieres. It was...

The Fort de la Croix-de-Bretagne is a fortification in the vicinity of Briançon in the Dauphiné region of southeastern France. It was built as part of...

belt of fortifications around Lyon, which also includes Fort de Vancia, Fort de Feyzin and Fort du Mont Verdun. Its history is linked to the Franco-Prussian...

The Fort des Dunes, also known as Fort Leffrinckoucke and sometime Fort de l'Est, is located in the commune of Leffrinckoucke, France, about 6 kilometres...

The Fort de Saint-Cyr (French pronunciation: [fɔʁ də sɛ̃ siʁ]), located in the commune of Montigny-le-Bretonneux, (Yvelines), is one of the forts built...

Airbase 942 Lyon-Mont Verdun. This belt of forts included the forts of Bron, Vancia, Fort de Feyzin and Fort du Mont Verdun itself. Work began in 1874...

The Fort du Bruissin is a fort in Francheville, France, near the city of Lyon. Built between 1878 and 1881, the fort is part of the Séré de Rivières system...

The Fort de Seclin, also known as Fort Duhoux, is located near the commune of Seclin, France, about 9.5 kilometres (5.9 mi) south of Lille. Built from...

The Fort de Bourlémont, or Fort Choiseul, was built between 1878 and 1881. The fort was built as part of the Séré de Rivières system of fortifications...

The Fort de Montmorency was built following the Franco-Prussian War to defend Paris. Located to the north of Paris in Montmorency, the fort was part of...

de la Salmagne was built to the northeast of Bersillies in 1884-1895 as part of the Séré de Rivières fortifications of Maubeuge. The trapezoidal fort...

The Fort de la Pompelle, also known as Fort Herbillon, is one of a number of forts built around Reims after 1870 as part of a fortification belt in the...

that dominates the entire valley. The principal fort was built between 1884 and 1892 as part of the Séré de Rivières system. Construction was initially of...

de Rivières system fortification. It retains its armament and is maintained as a museum. Located 6 kilometres (3.7 mi) northwest of Épinal, the Fort d'Uxegney...

the battery. The Batterie de Bouviers was part of an ensemble comprising two forts, the Fort de Villeras in Saclay and the Fort du Haut-Buc, with five peripheral...

The Fort de Maulde, also known as Fort de Beurnonville and the Ensemble de Maulde, is located to the south of Maulde, France. It is part of the Fortified...

forts around Lyon and more generally the Séré de Rivières fort system. This belt of forts included the forts of Bron, Vancia, Feyzin and Mont Verdun. It...

55556 Fort de Villers was built following the Franco-Prussian War to defend Paris. Located to the east of Paris in Villiers-sur-Marne, the fort was part...

The Fort du Télégraphe, or Fort Berwick, is located in the Maurienne valley on the road to the Col du Galibier between Valloire and Saint-Michel-de-Maurienne...

of Belfort in northeastern France. This second ring of forts was built as part of the Séré de Rivières system and incorporated improvements to deal with...

beginning in 1907. It is an example of a Séré de Rivières system fortification. During World War II the fort surrendered to German forces and was then used...

Fort de Champigny was built following the Franco-Prussian War to defend Paris. Located to the southeast of Paris in Chennevières-sur-Marne, the fort was...

Ouvrage de Bersillies was built to the north of Bersillies in 1884-1895 as part of the Séré de Rivières fortifications of Maubeuge. The trapezoidal fort is...