What on Earth?

Season 9 Episode 9: Stalin's Secret Atlantis

When experts spot what appears to be an abandoned city in the Caspian Sea, they investigate declassified Cold War evidence to reveal an Atlantis-like city built by the Soviets; what they find exposes its long-lost secrets.

Genre:

Documentary

Seasons:

12

Episodes:

131

Actor:

Steven Kearney, Andrew Gough

Quality:

HD

Status:

Returning Series

First Air:

2015

IMDb:

6.4