Is inner earth still the greatest truth unknown to humanity? Part 4 of this series delves into a mysterious cave system in Slovakia. In 1944, during the Slovak National Uprising, a military commander named Antonin Horak (who later emigrated from Czechoslovakia to the US and changed his name to Tony Horak) discovered a large black shiny object to which he gave the name Moonshaft. The object defied the normal laws of physics. Many theories have been proposed to explain it, including that it was a geological anomaly, ancient copper mine, entrance to an underground city, ET spaceship, etc. Learn the story surrounding this object and the other things discovered in the caves.

51 -min. DVD