Chełmno Extermination Camp

Chełmno extermination camp, known by the Germans as the Kulmhof concentration camp, was a Nazi German extermination camp situated 50 kilometres (31 mi) from Łódź, near a small Polish village called Chełmno nad Nerem

Belzec Extermination Camp

Belzec was the first of the Nazi German extermination camps created for the purpose of implementing the Operation Reinhard – which entailed the murder of some 2.2 million Jews, during the Holocaust.

The Kelvedon Hatch: Secret Nuclear Bunker

The Kelvedon Hatch Secret Nuclear Bunker at Kelvedon Hatch, in the Borough of Brentwood in the English county of Essex, is a large underground bunker maintained during the cold war as a potential regional government headquarters.

Vajont Dam

The Vajont Dam (or Vaiont Dam) is a disused dam in Italy, which was completed in 1959. On 9 October 1963, during initial filling, a massive landslide caused a man-made megatsunami in the lake in which 50 million cubic metres of water overtopped the dam in a wave 250 metres (820 ft) high, leading to 1,910 deaths and the complete destruction of several villages and towns.

RAF Menwith Hill

Royal Air Force Menwith Hill or more simply RAF Menwith Hill is a Royal Air Force station in England which provides communications and intelligence support services to the United Kingdom and the United States of America. The site contains an extensive satellite ground station and is a communications intercept and missile warning site and has been described as the largest electronic monitoring station in the world.

Meteora

The Metéora is one of the largest and most important complexes of Greek Orthodox monasteries in Greece, second only to Mount Athos.

Sobibor Extermination Camp

Sobibór was a Nazi German extermination camp located on the outskirts of the village of Sobibór, Lublin Voivodeship of the Nazi German General Government (occupied Poland).

Pripyat

A vast stretch of snow-covered bleakness, this Ukrainian city has been deserted since the nuclear accident of April 1986.

Varosha, Famagusta

Varosha is located within Northern Cyprus. Prior to the Turkish invasion of Cyprus in 1974, it was the modern tourist area of Famagusta. Its inhabitants fled during the invasion, and it has remained abandoned ever since.

Butrint

Inhabited since prehistoric times, Butrint has been the site of a Greek colony, a Roman city and a bishopric.

Hadrian’s Wall

Hadrian’s Wall was a defensive fortification in Roman Britain, begun in AD 122 during the rule of emperor Hadrian. In addition to its military role, gates through the wall served as customs posts.

Grüner See

Grüner See (Green Lake) is a lake in Styria, Austria near the town of Tragöß. The lake is surrounded by the Hochschwab mountains and forests.

Maunsell Forts

The Maunsell Forts were small fortified towers built in the Thames and Mersey estuaries during the Second World War to help defend the United Kingdom.