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

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

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

Ancient artists in the middle of nowhere.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

A desert that rolls right up to the ocean, where it's so dry animals live off the fog.

The unique building practices of the Batammariba reflect the community's deep reverence for and connection to the earth.

Hidden dwellings in the cliffsides of North Togo used by local Moba tribes to evade 18th-century slave traders.

This futuristic German television spire is actually the world's largest digital clock.

You've probably seen these distinctive orange-tiled columns on the big screen.

The castle where Martin Luther secretly translated the New Testament from Greek to German while in hiding.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

The last bastion of Roman presence north of the Alps looms over a German town.

Retirement home for giant obsolete machines.

The "Prussian Versailles" that is as glorious today as when it was built.

The final resting place of many of Germany's most famous communists.

Ruins of a German Castle on top of a towering stone pillar.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."

An ancient Greek monument and a Byzantine church coexist inside this cave.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

Where commuters walk through remnants of an ancient Greek necropolis.