Pripyat

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

Prora

Prora, also known as the Colossus of Prora, is an enormous building complex on the island of Rügen, Germany, that was built by Nazi Germany between 1936 and 1939 as a beach resort of the Strength Through Joy (Kraft durch Freude or KdF) project.

Stelling van Amsterdam

The Stelling van Amsterdam was the most advanced military structure of its type in the world – 135 km (84 miles) of forts, batteries and moats completely encircling the city in a defensive barrier.

Chernobyl Nuclear Power Plant

The Chernobyl Nuclear Power Plant is a decommissioned nuclear power station near the city of Pripyat, Ukraine. Reactor 4 was the site of the Chernobyl disaster in 1986 and the power plant is now within a large restricted area known as the Chernobyl Exclusion Zone.

Vallone dei Mullini

The haunting buildings of the Vallone dei Mullini, or Valley of the Mill, in Sorrento, Italy were only abandoned in the 20th century, according to Atlas Obscura.

Colosseum

The Colosseum or Coliseum, also known as the Flavian Amphitheatre is an elliptical amphitheatre in the centre of the city of Rome, Italy.

Checkpoint Charlie

Checkpoint Charlie was the name given by the Western Allies to the best-known Berlin Wall crossing point between East Berlin and West Berlin during the Cold War.

Trolltunga

Trolltunga is a piece of rock hanging horizontally out of a mountain about 700 meters above the Ringedalsvatnet in Skjeggedal close to Tyssedal by the Sørfjorden of the Hardanger Fjord in the municipality of Odda, Norway.

Bagger 288

Bagger 288 (Excavator 288), built by the German company Krupp for the energy and mining firm Rheinbraun, is a bucket-wheel excavator or mobile strip mining machine.

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.

Željava Air Base

Situated in the west of Bosnia on the border with Croatia, Objekat 505, as it was officially known, was the largest underground airport in the Balkans. The primary purpose of the Objekat 505 was to house a long-range radar early warning system, akin to NORAD, as well as to provide a strategic command center for the country’s defense.

Craco, Basilicata

Craco is an abandoned comune and medieval village located in the Region of Basilicata and the Province of Matera in Italy.

Civita Di Bagnoregio

Civita Di Bagnoregio was founded by Etruscans over twenty-five hundred years ago but has seen its population dwindle to just fifteen residents over the course of the 20th century.

Butrint

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

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).

Auschwitz Concentration Camp

Auschwitz concentration camp was a network of concentration and extermination camps built and operated by the Third Reich in Polish areas annexed by Nazi Germany during World War II. It consisted of Auschwitz I (the base camp); Auschwitz II–Birkenau (the extermination camp); Auschwitz III–Monowitz (a labor camp to staff an IG Farben factory), and 45 satellite camps.