I'm sure many of you can relate to this.

You've just watched a scary movie or heard some really creepy stories.

I mean, heck, maybe you're even revisiting the back catalog of So Supernatural.

And afterwards, you're a little more on edge than you might normally be.

Something about that adrenaline surge gets your mind racing.

Like maybe you see a shadow out in your yard,

one that makes your hair stand on edge.

Or maybe you hear a tiny noise that makes you wonder if someone else is in the room.

Or maybe you spot a ghostly face somewhere,

do a double take and realize,

okay, there's nothing there.

I need to calm down.

This is just my imagination playing tricks on me.

But maybe we give our imaginations a little too much credit sometimes.

Take the account of Maria Gomez Camara.

In 1971, while living in her modest home in southern Spain,

Maria noticed a face appear in the concrete of her kitchen floor.

And I'm sure at first Maria thought her mind was just playing tricks on her too.

Until more faces appeared.

And others saw it as well.

When they finally dug beneath the concrete floor of the home, they found something even more

chilling. A bunch of skeletons had been buried beneath the house without their heads. Sure, there

...