Many mysteries of planet Earth are far from understood. How was Devil's Tower formed? Or why do some people get struck by lightning multiple times?

Ancient practices such as prayer, blood sports, voodoo, and exorcism are often thought to be relics of bygone superstition - but there is evidence they have an impact on the physical world.

Perhaps the greatest unexplained mystery of all is: what happens to us after we die? Perhaps clues to the answer lie in unusual cases of near-death experience, reincarnation, and how memories can be passed from organ donors to transplant recipients.

How do some people live through the impossible? Whether it's plane crashes, bearing freezing temperatures, or performing superhuman feats while in danger? Remarkable tales of human survival force us to reconsider what we know about our own will to live.

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?

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?

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.

Every year, thousands of people report looking up at the sky and witnessing unidentified flying objects. Is it possible that extraterrestrial spacecraft are repeatedly visiting Earth at so-called "UFO Hot Spots?"

Today, many people are still afraid of walking into a cursed place or touching a reportedly-cursed object. But if curses are real then what brings them into existence? And how are they triggered?