We drain away the waters of the Mediterranean to reveal, in all its former glory, an ancient Egyptian city that mysteriously disappeared in the second century B.C. Cutting-edge technology and archeological data unravel the mystery behind its extraordinary rise to international fame - and the terrifying events that led to its destruction.

Originally released by National Geographic, 2020. Streaming video file encoded with permission for digital streaming by Infobase on January 05, 2023.