Fort Mont-Valérien is a fortress in Suresnes, a western Paris suburb, built in 1841 as part of the city's ring of modern fortifications.

The Fort de Cormeilles-en-Parisis is a historic military stronghold.

Fort du Trou-d'Enfer is a disused military fortification located southwest of Paris.

The Batterie de Bouviers is a mid-19th century fortification located near the town of Guyancourt, France.

Fort de Brimont is a historical military fort located near the village of Brimont.

The Fortifications of Vauban are a sophisticated network of defensive structures.

Ouvrage de Froideterre is part of the Fortifications of Verdun.

The city walls of Ieper, also known as Ypres, represent one of the most notable medieval fortifications in Belgium.