Gargantuan home of Russian science.

Monastery, army base, and infamous Soviet Gulag in the far Russian north.

Stalinist skyscraper built with help of cryotechnology.

Church built on the site where the last tsar of Russia and his family were killed.

The tallest hotel in Europe.

Palace where the nearly un-killable Rasputin was murdered.

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

The deepest metro station in the world.

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.

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

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

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 medieval prince founded the first library in Ukraine at Saint Sophia's Cathedral where he was interred.

One of the world’s best microminiaturist, Nicolaï Siadristy displays his lifetime of tiny creations in this museum.

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

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

An Art Nouveau building covered in animal gargoyles and grotesques.

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

A tribute to a Ukrainian heroine who went undercover and killed several Nazi operatives.

Elaborate mansions built by Roma residents in Soroca to show their success after centuries of discrimination.