This amazing oasis of art and plants is hidden on the outskirts of Marrakesh.

Now overgrown, these anti-tank barriers from World War II are sometimes called "dragon's teeth."

The woman who helped save 15th-century France was born in this humble home.

Artifacts from the golden days of the circus reside in a small Indiana town.

Journey through one of the oldest industrial sites in Scotland.

There's more to this drinking establishment than meets the eye.

This mysterious anthropomorphic statuette is on display at the National Museum of Oman.

A haunted slate mine turned concert hall and a hidden fairy garden.

This room of wonder is full of relics, from knights in armor to rare works of art.

The top of the holy mountain for the ancient Spartans looks like a pyramid—is it man-made or a natural phenomenon?

These whimsical rabbit figures are not as innocent as they might look.

Above the door of a house, a plaque claims to commemorate the future living place of the inventor of time travel.

A vertical tube that allows you to see what's going on underneath the Antarctic sea ice.

This jar honors the role that pottery has played in this Tunisian village over the past millennia.

A mural and a few historical markers commemorate Denver's once-thriving Chinatown, which was obliterated in a racist riot.

Once believed to be a sacred Roman legionary symbol, this bronze figure inspired the 1954 novel 'The Eagle of the Ninth.'

An underground spring in a labyrinthine cave system, decorated with stalagmites and stalactites.

These mosaics were created more than half a millennium ago and feature various animals.

This Gothic revival structure has been a family home, a military base, a gymnastics center, and is now owned by one of the largest auction houses in Italy.

More than 100 antique vending machines housed in a used tire shop sell everything from candy to sake and ramen.

The first European statue dedicated to the legendary musician.

The largest known open fault in the United States is basically a giant natural refrigerator.

Whimsical artist house in the New Jersey woods.

Six peaceful acres in a residential neighborhood dedicated to art and peace.