The UnXplained - Season 8

All over the world stand ancient structures so massive, precise, and baffling that they seem impossible for not just their time, but ours as well. How did ancient civilizations achieve feats of engineering that still defy modern understanding?

Dreams have inspired humanity for thousands of years, and in all this time, we have yet to answer one fundamental question: What is the purpose of dreams?

Throughout history, catastrophic disasters have reshaped civilizations — yet some events defy all scientific expectations. Are some of Earth's deadliest catastrophes truly natural… or… unnatural?

Africa is the birthplace of humanity and remains one of the most mysterious continents on Earth. What secrets lie hidden throughout Africa's vast and unexplored ancient landscape?

The human mind is home to all our thoughts, hopes, dreams, and memories. But are there people who are "wired" differently than most of us? Can unique circumstances permit some to tap into extra-sensory abilities that defy nature?

Throughout civilization there are many kingdoms and mighty empires that have risen, only to one day fall. What can we discover from clues left behind by these once great empires?

Every year, people risk their lives to enter places the world has marked off-limits. What is it about the world's most dangerous places that makes them impossible to resist?

From demonic possession and cursed homes to battlefield apparitions and ancient pacts with the Devil, history is filled with chilling accounts of supernatural forces said to be working against humanity.

Throughout history, governments have carried out top secret projects that defy belief—from experimental aircraft and staged illusions to covert experiments that crossed ethical boundaries.