Unearthed: Season 9, Episode 11 - ProjectFreeTV

9 - 11: Legend of Xanadu

The legendary metropolis of Xanadu (Kublai Khan's capital of the Mongol Empire in the 13th century) and its fabled existence have mystified experts for centuries; now, archaeologists use cutting-edge aerial imaging to investigate new discoveries and reveal the truth behind this mythical lost city.