Rome's Gate to Hell
- Episode aired Mar 20, 2022
- 44m
The ancient Roman city of Hierapolis is said to hide a secret portal to the underworld beneath its streets. Experts use pioneering technology to investigate.The ancient Roman city of Hierapolis is said to hide a secret portal to the underworld beneath its streets. Experts use pioneering technology to investigate.The ancient Roman city of Hierapolis is said to hide a secret portal to the underworld beneath its streets. Experts use pioneering technology to investigate.
