Over 2,000 years ago, Petra was a flourishing capital city in the Arabian Desert, but at some point, its inhabitants fled the majestic metropolis. Why they abandoned it has remained one of the great mysteries of the ancient world. But now, archaeologists have uncovered incredible new evidence that is unlocking the secrets and rewriting the history of this desert city. Join us as we examine the remarkable history of Petra, how the Nabataeans transformed it into a thriving oasis, and why and when the tribe's luck eventually ran out.