Ancient Megastructures

Discover the untold stories of three of the world's most iconic structures as National Geographic reveals the engineering genius and human drama behind the Colosseum, Chartres Cathedral, and the Great Pyramid. Including three full-length National Geographic specials, this two-disc collection features stunning computer-generated recreations, historic details, and fresh new perspectives on these man-made wonders.
Witness how these remarkable buildings were constructed without modern tools or technology, how they fostered ground-breaking architectural innovations still in use today, and how each continues to stand as an enduring monument to the strength and daring of the human imagination. (official distributor synopsis)