An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

Scientists use one of the saltiest bodies of water on Earth as a terrestrial base for studying water on Mars.

This terrifying glass bridge on the side of a mountain cracks as you step on it.

Gorgeous views of Italian mountains and valleys form the backdrop of this unique open-air theater.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

A surreal museum of extraordinary industrial objects.

The ruins of a once prosperous power station have become a mouldering seaside gem.

The now-abandoned Fascist summer colony served a dark purpose during World War II.

A collection of abandoned typographic signs from Berlin and beyond.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

This abandoned mining village was predicted to resist decay longer than any other modern human settlement.

Built as an anti-fascist tribute, this surreal Yugoslav memorial became an unwelcome symbol after the Croatian war for independence.

A grand Yugoslav memorial to the group of partisans who fought and died resisting western Serbia’s Nazi occupation.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

Azerbaijani ghost town, decaying after a war left it an armed forces buffer zone.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

This strategic isle was once swapped between empires and almost entirely destroyed in a bomb explosion.

The ruined remains of an early hydroelectric dam.

This Canadian island is a veritable garden of decay with countless abandoned structures dotting the landscape.

Earth's greatest purely vertical drop at 4,101 feet.

This modern arts center is built around a gem of late-Baroque architecture.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.