Bizarre

The fabled inner-Earth kingdom was first detailed by a French occultist in 1889.

Almost every American state has its own legendary creatures known as cryptids. Here are five of the most fascinating.

“Everyone in the world will come to these gates." -Ray Bradbury

Don't go chasing waterfalls—you never know what they might hide.

Get to know the woods' biggest secret. 

Clap your hands if you believe!

The image of the Green Man has become ubiquitous. But who is he? 

Ohio has more than corn and soybeans. Sometimes it has river monsters.

Here be dragons ... kind of.

If it's abandoned for long enough, any building can get a spooky reputation — but the Memphis Pyramid's mystique is unlike any other.

Atlantis isn't the only mysterious place to have been turned into legend by the ebbs of time.

Explore uncharted waters with these denizens of the deep.

Megalodon died out millennia ago. But our fascination with this mighty shark will never go extinct.

Could the legend of the Pied Piper hint at a real tragedy that befell the town of Hamelin more than 700 years ago?

Ufology might seem like a fringe science — but it's a fringe science our government knows well.

In Iceland, elves and other mythical beings are a fact of life.

Are aliens out there? Watch these videos and decide for yourself...

Meet a mysterious monster as American as apple pie.

As extreme as deep-sea habitats may sound, the more researchers look, the more unbelievable species they discover.

A mysterious sighting in the night spawned the legend of one of West Virginia's creepiest cryptids.