The American documentary TV series uncovers dark secrets and mysteries of the subterranean environment and culture beneath various cities of the world. It's hard to believe but there are entire cities beneath the modern ones, ancient temples and stadiums are buried under present-day buildings. The host is peeling back layers of time and explores the Tomb of the Lost Mummies in Cairo, Rome's Hidden Empire, deadly Catacombs in Paris, Dracula's Underground in Bucharest and much more.

Die Sendung wird ausgestrahlt am Sonntag, den 03.07.2022 um 16:30 Uhr auf BBC World News.