A unique Soviet mosaic preserved on the facade of a shoe factory in Lviv.

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

Sculpture that doubles as a time capsule so that life can survive radiation outside Chernobyl.

The largest park in Lviv is surrounded by a network of disused rail tracks.

Remains of a station that only operated for one year.

This hidden fortress has been coined the "City of Ghosts."

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

This stunning mountain lake was named for a pair of tragic lovers whose statues stand at the center.

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

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

This derelict superstructure was a very important warning system for the Soviet military.

A subterranean Holocaust refuge within one of the world's longest cave systems.

The ruins of an abandoned church loom within a picturesque Ukranian village.

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

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

The largest catacomb system in the world.

This attraction was abandoned after the Chernobyl disaster.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

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

These spartan apartments are provided to clergymen visiting Vatican City.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

Breathtaking and huge 430 year old maps of Italy.

This bombed church was given a new life as a contemporary art gallery.

Ruins of a late 1950s Polish ski jump ramp in the middle of the city.