A memorial to the atrocities of the People's Socialist Republic of Albania.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

What happens when you cross a mayor and a painter?

A museum dedicated to secret surveillance.

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

Despite the name, these small saltwater swimming pools have nothing to do with the Romans.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

For over two centuries, this palace served as a residence for the Holy Roman Inquisition's leaders, a courthouse, and a prison.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

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

Copenhagen's "other" little mermaid marks the historic location of past sea maid sightings.

Strange secondhand shop showcasing taxidermy and oddies

A miniature city, once ruled by the Queen of the Netherlands.

Survival capsules find a second life as a unique hotel.

This metro station doubles as an unintentional paleontology museum.

The kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

This museum offers a journey back to the Belle Epoque era of Romania.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Check out engineering marvels of the past at this unintentionally retrofuturist museum.

Once the tallest building in Chisinau, this unique tower is a relic of Soviet architecture.

A statue dedicated to the founders of communism.