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

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

An homage to everyone's favorite prehistoric cartoon family.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Tiny memorials honor individual victims of the Holocaust.

Tiny castle in the middle of the Rhine made you pay to pass.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

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

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

Go surfing on this urban wave, "hacked" by local surfers.

A collection of artworks exclusively created by the mentally ill that was almost burned by Nazi culture police.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

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

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The most visited, and possibly most controversial, museum in Germany.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

A surreal museum of extraordinary industrial objects.

The factory for the popular Dumbo location, the Greenpoint shop is a quiet gem.

New York City's smallest piece of private property.

Unrepaired walls from a 1920 anarchist bomb attack.

A cargo of beautiful music.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.