Trick or treat! Yes, those infamous words are about to creep to the surface ones again. As ghouls, beasts, vampires, witches and goblins slither and snarl their way through the murky streets, candy will be falling into the bags of many a young monster.

But how well do you know the spooky season?

Here are 15 frightening and fascinating facts that will give you all the gory details about the scary festivities.

Enjoy some candy and maybe book an apartment while you're getting the masks and makeup on.