This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

A century-old prison in the heart of Vilnius is now a lively bar, dance club, and artist residency.

A wide array of locomotives call this outdoor museum home.

An abandoned masterpiece of Soviet Brutalist architecture.

A unique, playful portrayal of Jesus as a backpacking traveler.

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

A miraculous three-handed portrait of a saint can be found inside this church.

A 300-kilogram egg sculpture that embodied a neighborhood revival.

This micro-nation may be some sort of prank, but its constitution sure seems official.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

Over time, this castle grew to encompass the entire island.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This enormous censer uses a pulley system installed over 400 years ago.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

Monsters and miniatures are held in equal esteem at this wondrous museum.

This hidden garden boasts amazing views of Lyon.

An ancient neolithic tomb that only sees the sun twice a year.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

A monument to the grand synagogue that stood in this space before Nazis burned it down.

Latvia’s first skyscraper, nicknamed ‘Stalin’s birthday cake.’

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.