The UnXplained with William Shatner

Sunken ships filled with priceless cargo. Lost cities of gold. Ancient temples concealing untold riches. There's something about these hidden treasures that captures the human imagination. But are lost treasures merely the stuff of legend?

For thousands of years, people have believed in the existence of Satan, the embodiment of evil. Some believe he has the power to possess souls and create mayhem amongst humanity. But is Satan a myth?

Throughout history, many have sought the lost Ark of the Covenant. How could such a coveted religious artifact just disappear? And is it possible that the Ark could actually be found?

Since the dawn of civilization, humanity has been fixated on predicting our own demise. Perhaps it will be asteroids, black holes or something even more mysterious that will wipe us out. But is there anything we can do?

Throughout history many have searched for the secret to everlasting life, but so far, it's eluded them. But is it possible to cheat death and live forever?

Mankind has always pondered what happens after death and what we leave behind. Many wonder what power our bones may hold. Is it possible that our bones hold some sacred power?

For centuries, humanity has been fixated on Mars -- the glowing red orb in the night sky. As a new era of exploration of the Red Planet begins, we are on the cusp of finally solving the Red Planet's mysteries.