National Geographic Explorer, Albert Lin uses high-tech digital equipment to map ancient civilizations revealing never before seen archeological and engineering marvels. His journeys take him throughout Asia, from the tombs of China's first emperor to Mongolia's Forbidden Zone in search of Genghis Khan's burial site. In Nan Madol, Micronesia he finds a quarry in the sky that likely sourced the Saudeleur Dynasty's basalt stone kingdom.