Unlocking the Stargates (S20, E12) | Ancient Aliens | Full Episode

Unknown Alien Works at Area 51! | Ancient Aliens

HIDDEN GEMS: The Most Valuable Toys Picked (S6, E1) | American Pickers | Full Episode

Why is Everyone Obsessed with Big Foot? | America's Book of Secrets | Full Episode

Alien Beacons: The Secret of Ancient Megaliths | Ancient Aliens | Full Episode

MILLIONS of Dollars Missing | History's Greatest Mysteries | #Shorts

Unsolved Alaskan Mysteries | The Proof Is Out There

Mysterious Radiation Beams | The Secret of Skinwalker Ranch | Full Episode

Space Disasters That Could End Humanity | SUPER MARATHON | The Universe

Chinese Warfare (S1, E7) | Ancient Discoveries | Full Episode

How NASCAR Grew to 16 MILLION Viewers | The Mega-Brands That Built America

Andrew Jackson: A Man for the People (S1, E1) | Biography | Full Episode

Behind Some of the Most Secretive Institutions *Marathon* | America's Book of Secrets

Columbus Day (S3, E8) | The Curse of Oak Island | Full Episode

World's MOST POWERFUL Weapons of War | Modern Marvels

Finding Treasure in the Most Unlikely Places (S5, E13) | American Pickers | Full Episode

The Greatest Undercover Operations in History | Secrets Declassified (S2)

The Drug Wars (S2, E8) | America's Book of Secrets | Full Episode

Asteroids (S1, E10) | How the Earth Was Made | Full Episode

Celestial Guardians Revealed (S2, E7) | Ancient Aliens | Full Episode

Did the Bible Predict the End of the World? (S1, E5) | Bible Secrets Revealed | Full Episode

Night Visions (S1, E2) | The Secret of Skinwalker Ranch | Full Episode

Undiscovered Dinosaurs Revealed | The Proof Is Out There

Methane Explosion (S2, E6) | Mega Disasters | Full Episode

Evolution of the Band-Aid Brand | The Mega-Brands That Built America

101 Weapons That Changed the World | Special | Full Episode

The Island's Most Dangerous Flood Traps | The Curse of Oak Island

Can Airplanes Cure the Sick? | Hazardous History with Henry Winkler

Mystery of the Stone Spheres (S20, E10) | Ancient Aliens | Full Episode

Could These Guatemalan Statues Hold Hidden Knowledge? | Ancient Aliens

Why the American Revolution Almost Failed at the End (S1, E12) | The Revolution | Full Episode

Turning Old Junk Into Massive Profit (S5, E12) | American Pickers | Full Episode

Freedom Summer 1964 | History Honors 250

Hidden Truths of the Oval Office (S2, E7) | America's Book of Secrets | Full Episode

America Was Buried Under a Mile of Ice (S2, E12) | How the Earth Was Made | Full Episode

The Hidden History of Jesus (S1, E4) | Bible Secrets Revealed | Full Episode

Explosive Experiments Find UFOs | The Secret of Skinwalker Ranch

Bad Things Happen When You Dig (S1, E1) | The Secret of Skinwalker Ranch | Full Episode

The First Shots of the American Revolution | History's Greatest Mysteries (S4)

Lost Islands, UFOs, and Crystal Skulls | Ancient Aliens

Hawaii's Most Dangerous Natural Disaster (S2, E5) | Mega Disasters | Full Episode

Fortune Favors the Brave

Hidden Messages

Apocalypse Island | Special | Full Episode

A Hidden Void Found Beneath Oak Island | The Curse of Oak Island (S3, E7) | Full Episode

Top Secret Technology (S2) | Secrets Declassified with David Duchovny

The $1,000 Flying Horse Discovery (S5, E11) | American Pickers | Full Episode

The Secret Strategy That Defeated the British (S1, E11) | The Revolution | Full Episode

The Cosmic Secret Behind Earth's Gold (S2, E13) | How the Earth Was Made | Full Episode

MILLION-DOLLAR Finds & Massive Discoveries *Marathon* | American Pickers

Signs of the Second Coming (S1, E6) | Ancient Aliens | Full Episode

Cylindrical UFO Spotted (S5) | The Secret of Skinwalker Ranch

Did Aliens Leave These Artifacts Behind? | Ancient Aliens

How Humans Conquered the Ocean | History's Greatest Machines (S1)

Why Modern Cars Look the Way They Do (S4) | The Mega-Brands That Built America

Glacier Meltdown: 500 Million Tons of Lost Ice (S2, E4) | Mega Disasters | Full Episode

How One Woman Fed the Montgomery Bus Boycott | History Honors 250

The Grey Ghost (S1, E6) | Battle 360 | Full Episode

From Nomads to Trillionaires: The Mughal Story | Special | Full Episode

The World's Most Active UFO Hotspot? (S20, E9) | Ancient Aliens | Full Episode

A Priceless Gem with a Dark Past (S5) | The UnXplained

Bloody Battles: Southern Civil War (S1, E10) | The Revolution | Full Episode

Every Major Gold Discovery | The Curse of Oak Island

The Extraterrestrial Geometry of the Pyramids | Ancient Aliens

JFK's Final Months | Kennedy | Full Episode

Evidence of the Bible's Lost Cities? (S1, E2) | Bible Secrets Revealed | Full Episode

Secret Alien Messages at an Arizona Ranch

Investigating 2019's UFO Wave (S2, E7) | Unidentified | Full Episode

The Atomic Bomb Changes the Course of the War | World War II With Tom Hanks

Do Ancient Stories Reveal Aliens? | Ancient Aliens

Gamma Ray Burst: Space's Deadliest Weapon (S2, E3) | Mega Disasters | Full Episode

Secrets That Defy Explanation | The Secret of Skinwalker Ranch | #shorts

Trapped Under the Sea: The WWII Sub Rescue | Special

Did Aliens Shape Human History? *Marathon* | Ancient Aliens

The Picker Man's Biggest Gamble (S5, E8) | American Pickers | Full Episode

Bizarre Events STUN the Team | The Secret of Skinwalker Ranch

Nuclear War Looms: JFK & the Cuban Missile Crisis | Kennedy | Full Episode

Why the King Fired Ben Franklin | HISTORY This Week

The 14,000-Year-Old Mystery of Puma Punku (S4, E6) | Ancient Aliens | Full Episode

The War in Europe Reaches a Climax | World War II With Tom Hanks (S1)

Ralph Lauren's American Icons | History Honors 250

The Mega-Brands That Built America | Season 4 Premieres Sun. August 2 at 10/9c | HISTORY

How Massive Oil Rigs Are Built (S5, E14) | Modern Marvels | Full Episode

St. Patrick's Day and the American Revolution | History Honors 250

Undercover: Hunting Hitler (S1, E1) | Special | Full Episode

How 13 Colonies Built an Empire | *MARATHON* | America: The Story Of Us

What Lies Beneath the Swamp? (S2, E4) | The Curse of Oak Island | Full Episode

The Most Important Inventions in History *MARATHON* | Modern Marvels

Veteran William "Jack" McDowell Goes to Nagasaki | Save Our History | #Shorts

The Most Bizarre Attraction Ever Seen (S5, E7) | American Pickers | Full Episode

Another Shot at Making History! #SecretsDeclassified

How JFK Stopped a Nuclear War | Kennedy | Full Episode

Mysterious Lights That Defy Explanation | The Proof Is Out There

Resistance and Oppression is a Constant | World War II With Tom Hanks (S1)