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Season 1 Episode
- Season 1 Mystical Structures
- Season 1 Defying Death
- Season 1 Biblical Artifacts
- Season 1 Extraordinary Abilities
- Season 1 Dark Forces
- Season 1 Signs of Alien Life
- Season 1 Glimpses of the Future
- Season 1 Mysterious Disappearances
- Season 1 Legends Unveiled
- Season 1 Decoding Genius
- Season 1 Secrets of Ancient Civilizations
- Season 1 Criminal Masterminds
- Season 1 America's Unsolved Mysteries
- Season 1 Beyond Earth
- Season 1 Monster Mayhem
- Season 1 Strange Forces of Nature
- Season 1 The End of Days
- Season 1 Ancient Ruins Revealed
- Season 1 Dangerous Depths
- Season 1 Enigmas of World War Two
- Season 1 National Secrets
- Season 1 The Quest for Lost Treasures
- Season 1 The Mystery of Faith
- Season 1 Encountering Evil
- Season 1 Beyond Death
The UnXplained Special Presentation - Season 1 Episode 11 Secrets of Ancient Civilizations
7.00 45 minutes Uncovering ruins from the past has been integral to our understanding of ancient civilizations. But sometimes, what remains of these cultures raise more questions than answers. For instance, why did once great empires such as the Maya or the thriving Khmer people at Angkor Wat suddenly vanish? And what secrets lie preserved under the ashes of the Roman city of Pompeii?
