A beautiful lighthouse with as many steps as days in the year, as many windows as weeks, and as many levels as months.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

This Parisian gem is one of the most incredible ethnographic museums in the world.

An abandoned suspension bridge on the Falkland Islands is crumbling into the water.

This abandoned Brutalist treehouse is a hidden architectural relic.

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.

Two World War II aircraft lie within the jungle around this abandoned runway.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

The worst flood disaster in Welsh history might have been a lot worse if it had not happened on movie night.

A swath of France so devastated by war it is still forbidden to go there.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

South Korea's largely symbolic, barely used gateway to the North.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

This half-finished "city of toys" was almost Italy's own Las Vegas.

Abandoned medieval hill town.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

These warring psychedelic crags commemorate an unsuccessful military operation.

Someone left a Boeing 737 in a field in southern Bali.

Looming communist pillar with a Czech twist.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.