Telefunker

NSA spy station built on an artificial hill in Berlin. The hill was made with rubble from the war-torn capital. Underneath it lays a military technical college designed by Albert Speer. The US National Security Agency built the listening station to spy on Soviet and East German military traffic.

Airforce base, built in 1922, got abandoned in 1996. The base used to house a school for the airforce and a fully equipped balloon and zeppelin repair and maintenance center.

Big fortress, built in 1817 by the Dutch. Once a German prison, once an American hospital. Abandoned in 1982.

German military camp which fell into Belgian and English hands after WW2. The camp was used for distribution. It got abandoned in the early 90’s when the Belgian army left.

Built in 1741, the Royal Military Academy trained engineering and artillery officers. The building offers a lot of history but finally the training moved to another academy in the UK.

One of the famous fortresses around Antwerp, designed by general Brialmont.

Originally a sport airfield designed in the 1930’s by Ernst Sagebiel, the airport later became a military one during WW2. Besides the airport there was an airplane factory which manufactured sport aircrafts. After WW2 the Russian army took over the place and used it mainly for the reparation of airplanes and helicopters.

Fortress built in 1878 to defend the city of Antwerp, got conquered by the Germans during WW1.

25 barracks used by the Belgian Air Force. The army left the place in 1996.

Military arsenal, built in 1907 by the Belgian army.