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Unlocking the Great Pyramid

   2008    History
When ancient architects completed construction on the Great Pyramid at Giza, they left behind the greatest riddle of the engineering world—how did builders lift limestone blocks weighing an average of two and a half tons 480 feet up onto the top of the Pyramid? For centuries, adventurers and Egyptologists have crawled through every passageway and chamber of the Pyramid, measuring and collecting data in an attempt to determine how it was built. For the first time, a revolutionary theory argues that the answer may be inside the Pyramid. Architect Jean-Pierre Houdin and Egyptologist Bob Brier use 3-D software to unlock the secret.
Prehistoric America
Prehistoric America

   2003    Nature
History of the World
History of the World

   2012    History
How to Stay Young
How to Stay Young

   2016    Medicine
Inside the Medieval Mind
Inside the Medieval Mind

   2008    History
Myths and Heroes
Myths and Heroes

   2005    History
The Men Who Built America
The Men Who Built America

   2012    History
Pets: Wild at Heart
Pets: Wild at Heart

   2015    Nature
The Universe
The Universe

   2010    Science