What on Earth? Season 3 Episode 16 - Siberian Hell Pit

Airdate: 2017-Mar-07

Episode summary:

A massive chasm appears in a remote part of the Siberian forest and locals call it a gate to the underworld; images of a nuclear missile launch silo in Montana are being manipulated; a bright green spiral appears in the Persian Gulf.

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 >