The UnXplained (2019)

S7E2 Impossible Ancient Inventions

Throughout history, tales of remarkable technologies from the distant past have emerged, often seeming unbelievable. Some are recounted in myths and legends, while others are evident even in the present day. These ancient inventions challenge our understanding of the ingenuity of our forebears. Could it be that today's most advanced technologies are simply rediscoveries of those that thrived thousands of years ago? And if so, what happened to these extraordinary innovations that have vanished over time?