The Secret of Skinwalker Ranch
As the team launches rockets into the mile-high zone, unidentified aerial phenomena suddenly appear.
2025-12-02 00:42:21 +0000 UTC→2025-12-02 01:33:42 +0000 UTC(51m)
Schedule for UnXplained Zone
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Ancient Aliens
Giorgio Tsoukalos takes a look back at the most mysterious artifacts from all over the globe.
2026-01-31 08:25:09 +0000 UTC→2026-01-31 09:16:31 +0000 UTC(51m)
Ancient Aliens
Giorgio Tsoukalos takes a look back at some of the structures covered.
2026-01-31 07:33:44 +0000 UTC→2026-01-31 08:25:09 +0000 UTC(51m)
Ancient Aliens
A look back at some extraordinary encounters that may provide evidence of extraterrestrials.
2026-01-31 06:41:49 +0000 UTC→2026-01-31 07:33:44 +0000 UTC(51m)
Ancient Aliens
Giorgio Tsoukalos takes a look back at evidence that could offer proof that aliens exist.
2026-01-31 05:49:54 +0000 UTC→2026-01-31 06:41:49 +0000 UTC(51m)
Ancient Aliens
Giorgio takes a look back at the glyphs that he believes tell a worldwide story of alien visitation.
2026-01-31 05:00:00 +0000 UTC→2026-01-31 05:49:54 +0000 UTC(49m)
History's Greatest Mysteries
A mysterious arrangement of stones that have adorned the English countryside for millennia.
2026-01-31 04:08:29 +0000 UTC→2026-01-31 05:00:00 +0000 UTC(51m)
History's Greatest Mysteries
It is a legendary ancient city, said to be overflowing with gold.
2026-01-31 03:15:49 +0000 UTC→2026-01-31 04:08:29 +0000 UTC(52m)
History's Greatest Mysteries
In 2016, a mysterious illness strikes dozens of government officials in Cuba.
2026-01-31 02:23:20 +0000 UTC→2026-01-31 03:15:49 +0000 UTC(52m)
History's Greatest Mysteries
Thousands of people swear they've encountered the legendary North American creature Bigfoot.
2026-01-31 01:30:54 +0000 UTC→2026-01-31 02:23:20 +0000 UTC(52m)
History's Greatest Mysteries
Top D.B. Cooper expert Eric Ulis believes that he's found the location where Cooper landed.
2026-01-30 23:52:56 +0000 UTC→2026-01-31 01:30:54 +0000 UTC(1h37m)
History's Greatest Mysteries
Many people believe the Ark of the Covenant is out there; new clues could finally explain.
2026-01-30 23:00:02 +0000 UTC→2026-01-30 23:52:56 +0000 UTC(52m)
History's Greatest Mysteries
A mysterious arrangement of stones that have adorned the English countryside for millennia.
2026-01-30 22:08:28 +0000 UTC→2026-01-30 23:00:02 +0000 UTC(51m)
History's Greatest Mysteries
It is a legendary ancient city, said to be overflowing with gold.
2026-01-30 21:15:48 +0000 UTC→2026-01-30 22:08:28 +0000 UTC(52m)
History's Greatest Mysteries
In 2016, a mysterious illness strikes dozens of government officials in Cuba.
2026-01-30 20:23:19 +0000 UTC→2026-01-30 21:15:48 +0000 UTC(52m)
History's Greatest Mysteries
Thousands of people swear they've encountered the legendary North American creature Bigfoot.
2026-01-30 19:30:53 +0000 UTC→2026-01-30 20:23:19 +0000 UTC(52m)
History's Greatest Mysteries
Top D.B. Cooper expert Eric Ulis believes that he's found the location where Cooper landed.
2026-01-30 17:52:55 +0000 UTC→2026-01-30 19:30:53 +0000 UTC(1h37m)
History's Greatest Mysteries
Many people believe the Ark of the Covenant is out there; new clues could finally explain.
2026-01-30 17:00:01 +0000 UTC→2026-01-30 17:52:55 +0000 UTC(52m)
History's Greatest Mysteries
A mysterious arrangement of stones that have adorned the English countryside for millennia.
2026-01-30 16:08:28 +0000 UTC→2026-01-30 17:00:01 +0000 UTC(51m)
History's Greatest Mysteries
It is a legendary ancient city, said to be overflowing with gold.
2026-01-30 15:15:47 +0000 UTC→2026-01-30 16:08:28 +0000 UTC(52m)
History's Greatest Mysteries
In 2016, a mysterious illness strikes dozens of government officials in Cuba.
2026-01-30 14:23:19 +0000 UTC→2026-01-30 15:15:47 +0000 UTC(52m)
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Showing1to20of1766results