A medieval military street hidden beneath a charming French fishing village.

Nearly every wall in this French villa has been "tattooed" by artist Jean Cocteau and other famous painters.

Artist's eccentric property excessively decorated with found objects and work of his own.

The construction of a tram line unveiled hidden remnants of the old medieval city.

This tiny museum hidden above a restaurant houses thousands of modern and traditional kites.

A museum dedicated to the history of Tokyo's often-overlooked working-class district.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

Every color in the rainbow awaits.

The original "capsule building" is a masterpiece of Metabolist architecture.

This natural wonderland is a unique chance to explore a Carolina bay, a mysterious geological formation of unknown origin.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

Just like in Hollywood, Madrid has also a forgotten walk of fame.

An ancient Egyptian temple in the middle of Madrid, Spain.

Shrapnel, dynamite, bullets and Franco couldn't destroy this bust, rescued and kept hidden as a family secret for over 40 years.

Morocco's largest Jewish cemetery.

A much-maligned monument to teetotalism.

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

The fountains of the U.S. Navy Memorial are annually salted with water from the Seven Seas as part of a nautical ritual.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

A building shaped like the Army Corps of Engineers logo, because why not?

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

This unique historical monument features large concrete spheres designed to resemble fallen stars.