The UnXplained
The show will explore the facts behind the world's most fascinating, strange and inexplicable mysteries.
- 2019-2026
- 8 seasons
- History Channel
- Documentary
- TV-14
The show will explore the facts behind the world's most fascinating, strange and inexplicable mysteries.
Currently not available to stream. Add it to your Watchlist to be notified when it becomes available.
Content not available in your region?ExpressVPNcan help you stay connected wherever you are.Get 4 extra months FREE with TV Guide's exclusive offer.
Cast & Crew
Season 8 Episode Guide
Episode 1
Impossible Ancient Structures
Fri, Jan 16, 2026 42 mins
All over the world stand ancient structures so massive, precise, and baffling that they seem impossible for not just their time, but ours as well. From colossal walls and giant stone tombs to temples carved from solid rock, how did ancient civilizations achieve feats of engineering that still defy modern understanding?
You May Also Like
Popular Shows
The Curse of Oak Island
Rick and Marty Lagina, two brothers from Michigan with a life-long interest in the mystery of Oak Island, renew efforts to discover the legendary treasure with sophisticated machinery.
- 2014
- Documentary, Reality
Vikings
The adventures of Ragnar Lothbrok: the greatest hero of his age. The series tells the saga of Ragnar's band of Viking brothers and his family as he rises to become King of the Viking tribes. As well as being a fearless warrior, Ragnar embodies the Norse traditions of devotion to the gods: legend has it that he was a direct descendant of Odin, the god of war and warriors.
- Metascore75
- 2013
- Action & Adventure, Drama, Documentary
Outback Opal Hunters
The series follows crews of fearless opal miners on their mission to unearth a fortune in some of Australia's harshest and remote landscapes.
- 2018
- Documentary
Six
Navy SEAL Team Six, whose 2014 mission to eliminate a Taliban leader in Afghanistan goes awry when they uncover a U.S. citizen working with the terrorists. Stemming from an idea by Harvey Weinstein, the drama is inspired by real missions, capturing SEALs' complex personal lives and the life-and-death decisions they make, with each season set in a different location, starting with Africa.
- Metascore54
- 2017
- Action & Adventure, Drama, Documentary
Investigating History
- 2003
- Documentary
Roots
An adaptation of Alex Haley's "Roots" chronicles the history of an African man and his descendants sold into slavery in America.
- Metascore83
- 2016
- Drama, Documentary, Action & Adventure