Secrets of the Underground
A mass grave could expose a dark secret of America's industrial past; a giant lake is disappearing.
2026-06-26 11:59:00 +0000 UTC→2026-06-26 12:47:00 +0000 UTC(48m)
Schedule for History Untold
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America Declassified
Newly opened Area 51 is investigated; police drones in Texas; medical marijuana farms.
2026-06-27 05:53:00 +0000 UTC→2026-06-27 06:41:00 +0000 UTC(48m)
America Declassified
Ballistic tests for the assassination of MLK; the mysterious Marfa Lights in Texas.
2026-06-27 05:04:00 +0000 UTC→2026-06-27 05:53:00 +0000 UTC(49m)
America Declassified
Testing lethal weapons; tunnels under Las Vegas; Internet rumors.
2026-06-27 04:14:00 +0000 UTC→2026-06-27 05:04:00 +0000 UTC(50m)
America Declassified
JFK's assassination is investigated 50 years later; a nuclear waste dump and US Quiet Zone.
2026-06-27 03:25:00 +0000 UTC→2026-06-27 04:14:00 +0000 UTC(49m)
America Declassified
Boston crime Boss Whitey Bulger's hideout; a city destroyed by a 50-year fire.
2026-06-27 02:35:00 +0000 UTC→2026-06-27 03:25:00 +0000 UTC(50m)
America Declassified
John Wayne's death is examined; Jamestown settlers in 1609; the secrets of Pensmore.
2026-06-27 01:44:00 +0000 UTC→2026-06-27 02:35:00 +0000 UTC(51m)
UFOs: The Lost Evidence
A look at whether the desire for gold is the result of extraterrestrial landings in the past.
2026-06-27 00:56:00 +0000 UTC→2026-06-27 01:44:00 +0000 UTC(48m)
UFOs: The Lost Evidence
New evidence and modern-day UFO sightings have experts rethinking Native American myths.
2026-06-27 00:08:00 +0000 UTC→2026-06-27 00:56:00 +0000 UTC(48m)
Alien Abduction: Travis Walton
On November 5, 1975, a logging crew drives home after work when they suddenly encounter a UFO.
2026-06-26 22:29:00 +0000 UTC→2026-06-27 00:08:00 +0000 UTC(1h39m)
Alien Abduction: Betty and Barney Hill
In September 1961, Betty and Barney Hill are driving home from a honeymoon trip.
2026-06-26 20:51:00 +0000 UTC→2026-06-26 22:29:00 +0000 UTC(1h38m)
Unearthed
Deep in the Iraqi desert, a ziggurat towers over the remains of an early civilization.
2026-06-26 20:03:00 +0000 UTC→2026-06-26 20:51:00 +0000 UTC(48m)
Unearthed
Only one Egyptian pyramid was ever constructed to look like it floats on water.
2026-06-26 19:15:00 +0000 UTC→2026-06-26 20:03:00 +0000 UTC(48m)
Unearthed
Experts explore sunken ruins and reveal new discoveries about one of the first great empires.
2026-06-26 18:27:00 +0000 UTC→2026-06-26 19:15:00 +0000 UTC(48m)
Unearthed
A prehistoric structure emerges from the sands of an English shore.
2026-06-26 17:39:00 +0000 UTC→2026-06-26 18:27:00 +0000 UTC(48m)
Unearthed
The Tower of London is a centuries-old castle used as a prison steeped in blood and intrigue.
2026-06-26 16:51:00 +0000 UTC→2026-06-26 17:39:00 +0000 UTC(48m)
Secrets of the Underground
Investigating the pattern of rocks at the bottom of Lake Michigan known as Underwater Stonehenge.
2026-06-26 16:03:00 +0000 UTC→2026-06-26 16:51:00 +0000 UTC(48m)
Secrets of the Underground
Ruins suggest Europeans arrived in Americas 1,000 years before Columbus; a dormant super volcano.
2026-06-26 15:15:00 +0000 UTC→2026-06-26 16:03:00 +0000 UTC(48m)
Secrets of the Underground
Heading to California to investigate a network for major fault lines.
2026-06-26 14:25:00 +0000 UTC→2026-06-26 15:15:00 +0000 UTC(50m)
Secrets of the Underground
Searching for evidence of a mass extinction event; investigating a Bermuda Triangle-like phenomenon.
2026-06-26 13:35:00 +0000 UTC→2026-06-26 14:25:00 +0000 UTC(50m)
Secrets of the Underground
Markings suggest a clash between prehistoric beasts; a strange lake may be home to alien life.
2026-06-26 12:47:00 +0000 UTC→2026-06-26 13:35:00 +0000 UTC(48m)
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