Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

This unassuming office building is home to what was once the world's largest pendulum clock.

A memorial to the monk who set himself on fire to protest the persecution of Buddhists in Vietnam.

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

This locally-famous crevasse in New York State is icy all year round.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

Gladiators once walked this ancient, subterranean passage.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Inside the Šomoška National Nature Reserve exists a unique rock formation rarely seen in the world.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.

Hungarian mummies in beautiful painted coffins.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

The largest statue of this convex, homogeneous object with just one stable and one unstable equilibrium point.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

The world's oldest grape-producing vine has survived four centuries of turmoil and even has its own anthem.

In between two buildings in Ljubljana, medieval tunnel to nowhere.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

The "dragon babies" of southeastern Europe.

An otherworldly alpine pasture with its own unique microculture that recalls Middle Earth.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

Strange rumors surround the artist who created these solemn metal guard dogs.

A miniature train-ride through Slovenia's largest cave system.