S2, E1: Stuck between a rock and a hard place in the unforgiving deserts of Petra, in modern day Jordan, the Nabataean dream of a glorious royal city must have seemed like little more than a very grand mirage. Standing at the crossroads of the ancient Near East, discover how these wealthy traders would turn engineering on its head to create one of the most awe-inspiring monuments, the Khazneh. Discover how the Nabataeans held back flash-floods to protect their greatest monument, and why clues hidden deep in the building reveal the great king whose vision created this masterpiece. We travel back through time to reveal how human resourcefulness and courageous endeavour would create one of the ancient world's most magnificent megastructures, the Khazneh.