10 Secrets Only Two People In The World Know

Have you ever wondered what makes KFC's chicken so finger-lickin' good? Well, this is a question that's destined to go unanswered because only two living people are deemed worthy enough to know the truth.

There are 11 herbs and spices that go into the fast-food operator's signature meals, and they're the very same ones which seasoned the chicken served to customers by gas station owner and chef Harland Sanders in the 1930s.

Sanders, later known as The Colonel, opened his first restaurant in 1939 after acquiring a burnt-out motel site and took his secret recipe with him. From there, a mighty empire sprung up and KFC now has more than 20,000 sites around the world, and The Colonel's original recipe is often touted as the key to its success.

These days, only two top executives at the company's headquarters know all of the 11 herbs and spices that go into its meals.