The latest discoveries at cutting-edge archaeological excavations shed new light on the lost cities of the Bible, and using hi-tech investigative methods, experts are rethinking everything they know about these ancient worlds. This is a mashup of S07E07 "Jericho's Buried Secrets" and S07E01 "Lost City of Babylon."

Seven wonders of ancient Egypt are home to mysteries that are still unsolved thousands of years after their construction, and today, investigators use cutting-edge tech and forensic analysis to reveal new secrets of the colossal engineering marvels.