Stalinist skyscraper built with help of cryotechnology.

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

A small part of Russia that does not touch any other part of Russia.

Hidden in a metro shop under a shopping mall, this small museum tells the story of one of the world's largest urban transit systems.

The tallest hotel in Europe.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

Former headquarters of the KGB.

Moscow's imposing monument to the Space Age.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

This Transylvanian church has changed its denomination four times.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

Museum dedicated to "the man who moved the Earth."

A huge wooden clock that is so beautiful its creator was forcibly blinded.

The site of the first battle of World War II.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Real bones which are said to have belonged to a Polish dragon.

An underground city of salt.

The former home of Norway's greatest romantic composer.