Do you really know how important our moon is? And is it really a moon at all? Scientists now believe it was actually a part of Earth for a brief moment in time. Phil and Campbell Valentine explain in this episode of the Moon.

What do we really know about ninjas? Probably just what we've seen in the movies. There's much more to the story than the way Hollywood portrays them. Phil and Campbell Valentine delve into the mysterious history of the real ninjas.

Perhaps the mother of all legends, Atlantis was this mythical civilization mentioned by Plato over 300 years before the birth of Christ. But was it actually real? Phil and Campbell Valentine go in search of the lost city of Atlantis.

There are over a billion Catholics in the world, and the Pope is the leader of the Catholic Church. Some have been fantastic, others have been downright evil. Phil and Campbell Valentine explore the history of the Popes.

We couldn't do an episode on dogs without following up with cats. These elusive and mysterious creatures were once treated as gods. Some still treat them that way. Phil and Campbell Valentine talk about the interesting history of cats.

There may have been people with higher IQs, but there has never been someone who excelled in so many different areas like Leonardo da Vinci. From painter to sculptor to scientist he was one of a kind. Phil and Campbell Valentine explore the life of da Vinci.

Ever wondered how fireflies light up? Ever wonder why Americans drive on the right side of the road? Ever wondered why the sky is blue? Wonder no more as Phil and Campbell Valentine answer some of the questions we've all wondered about.

Dog is man's best friend, but how did they go from wolves to poodles? Phil and Campbell Valentine talk about the history of the canine, and how they've evolved over the years into countless breeds.

Sumer was the very first organized human civilization. It was located in what is now modern-day Iraq. How important is Sumer? It was the civilization that gave us mathematics, irrigation, and the wheel. Phil and Campbell Valentine explore ancient Sumer.

Some say the Middle Ages never existed. Some say Queen Elizabeth was actually not a queen at all. Some say FDR was tipped off about the attack on Pearl Harbor, but allowed it to happen anyway. Phil and Campbell Valentine talk Conspiracies: Part 3.