These unique volcanic rock formations offer the perfect opportunity to camp and hike.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A unique geological area spiked with wind-carved rocks that resemble teepees.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

The winter home of thousands of beautiful snow geese and sandhill cranes.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

The location where the iconic movie character declared it was time to go home.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Legends surround this jagged rock formation in the New Mexico desert.

A beer pipeline runs beneath Bruges.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

It's good luck to be mocked by this monkey.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

This lurid German fountain plots the sad course of marriage from dating to death.

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

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

The prototype for all Nazi concentration camps.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.