This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A fairy tale castle in modern Rome.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

This beautifully verdant lagoon is tucked below a massive volcano in a crater atop a black pebble beach.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

The oldest garden in Prague, once part of an medieval orchard.

The mountaintop inspiration for Umberto Eco's "The Name of the Rose."

When this funny little building went up in the 19th century, most people thought it would simply fall over.

An ancient capital city that dates back 3,000 years and harbors many surprises.

A more chill but no less fascinating version of the famous ancient archeological site.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

A rare example of World War I trenches from the British front.