A solar-powered primary school inspires hope and experimentation in a country ripe for energy innovation.

A futuristic, brutalist masterpiece that is also strangely prison-like.

Space-age monument to an early 20th-century uprising.

In the land of the Light Brigade stands a testament to the Cold War.

When you've got to go, you've got to go.

340-foot statue built to honour the Heroes of the Soviet Union.

The deepest metro station in the world.

This attraction was abandoned after the Chernobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Beijing's expansive subterranean hiding spot now crumbles away as a tourist destination.

This probably wasn't what Mao had in mind.

Ming Dynasty necropolis raided during the Cultural Revolution.

Dilapidated ruins that once treated a notorious young serial killer, currently hosting vandals, squatters, and ghost hunters.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

A unique collection of Soviet military artifacts lies hidden away in a disused train, in the unrecognized Eastern European republic of Transnistria.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

The once highest point in China blends symbolic design with a kick of adrenaline.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

The largest catacomb system in the world.

It seems that the residents of of this megalopolis suddenly vanished, but they were never actually there.