12 Temporada
131 Episodio
What on Earth? - Season 9 Episode 9 Episodio 9 (2023)
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.
- País : United States of America
- Género : Documentary
- Estudio : Science
- Director :
- Emitir : Steven Kearney, Andrew Gough
