What on Earth? Season 3 Episode 15 - Lost Empire of the Amazon

Airdate: 2017-Feb-28

Episode summary:

New evidence could lead to the discovery of an unknown ancient civilization in the Amazon rainforest; an island disappears and investigators are mystified; an unidentified submarine is spotted in a North Korean shipyard.

About What on Earth? series:

What on Earth? is a documentary series using satellite images of strange geological occurrences and man-made structures on Earth to examine such ma...Show more >