What on Earth? Season 3 Episode 1 - Lost Treasure of the Grand Canyon

Airdate: 2016-Nov-15

Episode summary:

Strange spots near the Grand Canyon may hold clues to the legendary treasure of a notorious bandit; satellite images could explain desert ruins rumored to be an entrance to an underworld; city-size chunk of ice suddenly disappears in Antarctica.

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 >