World War II

The Laboe Naval Memorial's foundation stone was laid in 1927 at the mouth of the Kieler Fjord in the Baltic Sea. The 72-metre-high tower was finished in 1936.

Railway line 47, the section of the Vennbahn between Sankt Vith and Troisvierges, was commissioned in late 1889 and crossed the Our River via a brick viaduct near the German village of Hemmeres.

The Spuikom in Ostend became a military air base during the First World War. In early 1917, the German army built the Seeflugstation Flandern II to defend the port of Ostend against English attacks.

A military railway line, a dilapidated monument and an anti-tank trenches surround the ruins of the Brasschaat fortress.

With its 17 bunkers linked together, the fortress of Eben-Emael was considered impregnable—or so the Belgian army thought.

A 33-kilometre-long canal zigzags from Stabroek to the Albert Canal in Antwerp. What at first glance looks like a strip of nature was initially intended to hold up German tanks.