These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

A secret climbing tree hides along the side of a Costa Rican road.

Indents in the pavement are all that remain from a grisly death machine in Paris.

An eerie, derelict amusement park in Berlin.

The World's First 24 Hour Coin-Operated Art Gallery!! Plastic, Styrofoam, and Elvis--If you can't get rid of it, you might as well worship it!!

The magic's in the hole!

The seamy, underground secrets of Portland's criminal past.

Beyond being incredibly fun, not much can be said about the Hole with certitude.

This South London cemetery holds the remains of more than 15,000 people.

Banksy gives themself artistic license with this piece of London street art.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

Artists and musicians now rule over this former rail station.

The longest hedge maze in the world.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

Famously misunderstood wonder of the ancient world

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Where's a guy to go after a long, hard day at work?

Floating pink tap installed for a flower show in London.

Slaughterhouse Five opens its dank doors to fans of Kurt Vonnegut.

The famous winding walk at Chartres is surrounded in mystery and myth.