What's the "strangest" thing you believe in?

I don't mean to make anyone feel a certain way by calling something you believe in "strange" so don't focus on that part of the question. I am genuinely curious, though, do you believe in the supernatural? Ghosts? Luck? Mind reading? The Illuminati?

For me, I believe in the Loch Ness Monster (or some form of it) and that's all I'll say about that.