Former prison camp dedicated to the victims of political repression.

The past, present, and future of Russia's signature alcohol is remembered in the world's only museum dedicated to the starchy spirit.

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

Stunning examples of Russia's 18th-century wooden architecture.

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

The romantic botanic tunnel feels like a well-kept secret.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

A small town Romanian cemetery filled with darkly humorous gravestones.

This massive underground salt mine now holds a sci-fi theme park in its depths.

This hidden collection of everyday objects illustrates life within communist Poland.

A collection of old neon signs from all over Poland line a secluded courtyard.

The silly symbol for an underground protest group is now scattered around the city.

This man-made mound monument was built out of soil from all across the Polish empire.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

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.

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

An underground city of salt.

Walk 2,300 feet above the ground on the "Troll's Tongue."

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.