10 Unsolved Mysteries That’ll Give You Goosebumps.

Sometimes you hear of a mystery so sinister and unexplainable that it sends a shiver down your spine.

But, much like when you drive past a car crash and can’t help but look, we’re drawn again to stories like this.

If you’ve got a fascination for things creepy, gruesome, or just straight-up mysterious, then we’ve got a treat for you – just don’t go blaming us if you have nightmares!

Unless you were living under a rock in 2007, you would have heard about Madeleine McCann.

Madeleine and her family were on vacation in Praia da Luz, Portugal, in 2007 when tragedy struck.

While Madeleine’s parents were dining in their villa’s restaurant, Madeleine (then just shy of four years old) was sleeping in their hotel room.

When her parents returned, there was no trace of Madeleine, and investigators have been trying to track her down ever since.