Explorer - Pyramids of Fire

Seizoen: 20 - Aflevering: 4 / 144 - Eerst uitgezonden: 22 oktober 2005 - Episode ID: 539852

The pyramids of Americas were built more than 2,000 years ago by a people who vanished long ago. Little is known about these builders and the purpose of the pyramids has been a mystery until now. Were they temples to the gods or sacrificial altars?