The deepest metro station in the world.

One of the most valuable palace-garden complexes in the eastern borderlands—and one of the most haunted.

Monumental sculptures guard many of the graves, transforming this necropolis into an open-air fine art museum.

Ukraine's oldest operating pharmacy now offers guests a fascinating walk through apothecary history.

People in Poland have rallied to save this unnatural desert from being reclaimed by the forest.

This dazzling wooden church was constructed as part of an elaborate peace project after the Thirty Years' War.

The old fire station features a mural that has more to it than first meets the eye.

A small part of Russia that does not touch any other part of Russia.

Legend holds that this knife serves as a chilling reminder of the deadly rivalry between two local builder brothers.

Beautiful portraits of the artist's children and his amazing stained glass windows in the Art Nouveau style.

Seven dragon statues—including one that breathes real fire—are scattered throughout the streets of Krakow.

Krakow's own version of the Hollywood Walk of Fame.

A Soviet era flat that refused to conform to the dull gray standards.

A memorial to honor those who were killed in a Bastille Day terror attack in Nice.

A breathtakingly steep set of stairs is carved directly into the face of the sea cliffs of Bonifacio.

Napoleon's childhood home is now open for people to explore the beginnings of France's short general.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

These small, triangular, colorful houses are a staple of Madeira Island.

Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.

Is this amazing tableau depicting Gilgamesh and Enki 4,000 years old?

Skyscraper powered by wind turbines attached between its towers.

These 4,000-year-old tombs form a surreal landscape.

This unassuming oil well changed the history of the Arabian Gulf.