Defensive fortifications

The casern of the 4th Cuirassier Regiment of Bitche is built in a German architectural style during the mid 19th century. It consists of pink sandstone.

this superterranean eight-storey air raid shelter was built in 1938 and measures 23 metres in height. During World War II, it could provide shelter from air raids to approx. 200 people at a time.

Hackenberg Fortress is the largest fortification on the Maginot Line with underground corridors exceeding 10 km in length, 19 artillery combat blocks and anti-tank ditches measuring over 800 m in w

In the 17th century, Louis XIV had the medieval upper part of the town (the former Longwy-Haut) destroyed in order to rebuild in its place a new town structure which was to serve as a defensive lin

the Celtic ring wall encircles the Dollberg, a hill about 695 metres above sea level near the town of Otzenhausen.

military bunker from 1906, part of the Verdun fortification

The B-Werk in Besseringen is a panzerwerk, a defence system, which was built between 1938 and 1940 by Hitler.