The UnXplained (2019)

S06E01 The World Beneath Our Feet

While humanity has successfully sent satellites into space and explored the depths of the ocean with submarines, the subterranean realm beneath the Earth's surface remains largely unexplored. What secrets lie hidden within the dense rock layers or in expansive underground caves? Could the hidden world beneath our feet reveal insights into our history or even hint at our future? This episode delves into the enigmatic landscape below, seeking to uncover the mysteries that may reshape our understanding of both the planet and ourselves.