A whimsical bridge adorned with decorative dragons.

This exquisite, alienesque piece of Soviet architecture is being threatened by modern shopping malls.

This oddly shaped building is a surprising Soviet-era crematorium.

Monumental sculptures guard many of the graves, transforming this necropolis into an open-air fine art museum.

The eerie burnt-out remains of a prominent building where 30 protestors lost their lives.

Padlocks cover this rickety footbridge with love.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

A quirky collection flush with information on commode culture from ancient times to modern day.

An Art Nouveau building covered in animal gargoyles and grotesques.

The deepest metro station in the world.

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

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

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

One of the most poignant ruins of the Chornobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

This attraction was abandoned after the Chornobyl disaster.

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

The unusual sculptures are believed to be powerful political symbols.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

One of the world's tallest statues is also one of its most hated.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.