Lost Cities with Albert Lin - Season 1 Episode 5 Petra's Hidden Origins A mission to discover and re-create unexcavated worlds still hidden beneath the earth.
Overview: Albert Lin travels to Petra, Jordan, to discover the origins of the famous city. He finds out that it was built by the Nabataeans, a mysterious civilization that learned how to survive in the desert. He tracks down evidence of their cities and temples, and reveals that the ancient city of Petra was part of a much bigger network than he ever imagined.