Name: Secrets of Underground London
Uploaded: 2021-11-29T01:30:00Z
Duration: P3281S
Description: On the surface, London is a buzzing, modern metropolis — but underneath lies a secret, hidden world, all but forgotten by the millions of people above. This program uncovers 2,000 years of subterranean history: a world of ancient caves and perfectly preserved Roman remains; mysterious rivers and gruesome plague pits; impenetrable vaults and top-secret bunkers.

Secrets of Underground London

Special | 54m 41s | Video has closed captioning.

On the surface, London is a buzzing, modern metropolis — but underneath lies a secret, hidden world, all but forgotten by the millions of people above. This program uncovers 2,000 years of subterranean history: a world of ancient caves and perfectly preserved Roman remains; mysterious rivers and gruesome plague pits; impenetrable vaults and top-secret bunkers.

Aired: 06/22/14

Expires: 12/26/21

Rating: TV-PG