New discoveries might finally reveal the location of Atlantis, the long-lost civilization that's said to have sunk into the sea; exclusive access to cutting-edge archaeological investigations unearths fresh evidence for experts on this millennia-old mystery. This is a mashup of S03E05 "Hunt for the Real Atlantis" and S07E06 "Lost World of Atlantis."

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."