Season 2
Ancient Megastructures
AirDate: 1/1/2008
Episodes: 6

Overview: From the dreams that inspired them, to the blood and sweat that built them, the new season unveils the full story behind six magnificent structures that forever changed the landscape of architecture: Petra, Alhambra, St.Paul’s Cathedral, Hagia Sophia, Machu Picchu and Angkor Wat.