The lost city of Amarna is buried in the Sahara, and evidence reveals it's home to Akhenaten, Nefertiti, Tutankhamun, and Aten, the forbidden sun god of an outlawed religion. Experts use cutting-edge tech to uncover the secret doomsday that caused this strange place to disappear.

Pompeii is one of the most mysterious places on the planet, and just next door, the remains of a second abandoned Roman town, Herculaneum, pose new questions about what happened when Mount Vesuvius erupted; cutting-edge tech might have answers. This is a mashup of S04E03 "Pompeii's Doomsday Mummies" and S06E02 "Vesuvius's Secret Victim" (Herculaneum).