What on Earth? S4E18: Forbidden City of Inca Gold
- Aired: 2018-02-27
- Time: 21:00:00
- Runtime: 62 minutes
Overview
Treasure hunters have searched for a lost Incan city of untold wealth for a century, but new technology might finally locate its riches; a strange mountain in Egypt sparks an investigation into Cleopatra's gems and the tomb of Alexander the Great.