Season 7DVD - 2015
What supernatural lives will be revealed when "Underground Portals" explores the 10,000-year-old prehistoric art work discovered in a cave in India. Could the face of Giza's Great Sphinx prove to be older than once thought, and what otherworldly being might it actually represent? History continues its exploration of unexplained events and phenomena in this collection that journeys through the Egyptian pyramids, Central American temples, and Earth's enigmatic caves.
Publisher: [Place of publication not identified] :, [Publisher not identified],, 
Characteristics: 3 videodiscs (528 min.) : sound, color ; 4 3/4 in digital,optical,surround,Dolby Digital 5.1,rda video file,DVD video,rda