Ancient Megastructures is a National Geographic documentary series discovering the secrets of revolutionary structures in ancient megastructures. Certain landmarks have captured the imagination and awe of modern-day architects and engineers around the world as they work to solve the mystery of how their ancient forebears were able to construct such beautiful, timeless and revolutionary structures with none of the machines and materials available to modern engineers. The series explores the full story behind nine magnificent structures that forever changed the landscape of architecture: The Colosseum, The Great Pyramid, Chartres Cathedral, St.Paul's Cathedral, Alhambra, Petra, Machu Picchu, Angkor Wat and Hagia Sophia.
|Istanbul's Hagia Sophia|
|Discover how the church of Hagia Sophia in Istanbul, rebuilt by the Roman Emperor Justinian, has survived 1,500 years of turbulent history.|
|Hagia Sophia - wikipedia
Hagia Sophia is a former Greek Orthodox patriarchal basilica (church), later an imperial mosque, and now a museum in Istanbul, Turkey.
|Byzantium: The Lost Empire
This is a four-part documentary series narrated by John Romer, telling the glory and history of the ancient, legendary empire of Byzantium.
|Engineering Secrets of Hagia Sophia
For 1,500 years the dome of Hagia Sophia has soared above the skyline of Istanbul, Turkey. Istanbul is ground zero for massive earthquakes. How does Hagia Sophia continue to survive these killer quakes?
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