Peabody Award winner Linda Moulton Howe and other experts explore the enigma of the colossal stone pyramids encircling our planet, both their purposes and the incomprehensible technology behind their creation.

Cast:Cybela Clare, Linda Moulton Howe, David Childress, Richard C. Hoagland, Semir Osmanagić, Alfred Lambremont Webbre,

Genre:Documentary,

country:United States of America,

Production:Prism Pictures,