The UnXplained

Season 5 Episode 9: Extraordinary Structures

Throughout the world, there are ancient structures that defy explanation because even with today's technology they would be nearly impossible to duplicate. How were ancient civilizations able to build such extraordinary structures? And what purpose did they serve?

Genre:

Documentary

Seasons:

8

Episodes:

111

Actor:

William Shatner

Quality:

HD

Status:

Returning Series

First Air:

2019

IMDb:

6.7