Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

An autonomous republic of Orthodox monks.

This sculpture used famed boxer Joe Louis as the inspiration behind its body.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Romania's triumphal arch looks out over Bucharest.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This once-derelict building is now one of the most beautiful bookstores in the world.

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

Instead of sermons, this church became home to millions of books.

Tiny communists hammer away on the Olomouc Astronomical Clock.

A cheeky reminder about the value of art dangles above one of Olomouc's busiest streets.

This almost a century old piece of architecture had been overlooked by most, except for the drunk and the homeless

Tourists to the mountaintop Sicilian town often overlook its ancient fortifications.

A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

Beijing's version of Disneyland, completely abandoned, mostly destroyed.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

Bell tower juts out from a village buried under a lake.

This brutalist monument is inscribed with 9921 names of Yugoslav partisans who perished during WWII.

Controversial site of what could be Europe's first pyramid.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.