Texts, archaeology and legend contain evidence of past human-extraterrestrial contact.

Ancient Aliens

The Harrisons run the only family-owned pawnshop in Las Vegas, using their sharp-eyed skills and network of experts to assess the value of customers' items and make deals.

Pawn Stars

Childhood friends and antiques collectors, Mike Wolfe and Frank Fritz, travel the United States looking for rare artifacts and national treasures.

American Pickers

Participants are forced to use their wits when left in the wilderness with nothing but a backpack; struggling with harsh weather, hostile locations and aggressive wildlife.

Alone

An exploration of strange and inexplicable mysteries; contributions from scientists, historians and witnesses as they seek to shed light on how the impossible can happen.

The UnXplained

Long-haul truckers risk their lives to bring supplies to remote locations.

Ice Road Truckers

Documenting life in remote logging camps in the Pacific Northwest.

Ax Men

Stories of those who believed in dreams and defied the commonplace with their extraordinary creations; covering some of the world's architectural and engineering structures, scientific inventions, and social wonders.

Modern Marvels

Eustace Conway and others try to obtain the food and supplies to make it through winter.

Mountain Men

A team of scientists and experts conducts a thorough and daring search of the infamous 512-acre property in an attempt to find the answers behind more than 200 years of UFO sightings, strange animal mutations, and paranormal related mysteries.

The Secret of Skinwalker Ranch

Master bladesmiths are challenged to re-create some of history's most iconic edged weapons, then a panel of judges tests the weaponry and decides who is the "Forged in Fire" champion.

Forged in Fire

Using new evidence to look at some of the most historically important mysteries of recent times.

History's Greatest Mysteries

Host Tony Harris investigates alleged videos, photos and audio recordings of giant beasts, UFOs, alleged mutants from the deep, and other mysterious phenomenon.

The Proof Is Out There

Two brothers from Michigan search for buried treasure on Oak Island off the coast of Nova Scotia.

The Curse of Oak Island

Cameras capture the action in the Atchafalaya Basin during alligator-hunting season.

Swamp People

The fascinating stories of the families behind the food that built America, those who used brains, muscle, blood, sweat and tears to get to America's heart through its stomach, those who invented new technologies and helped win wars.

The Food That Built America

A former Pentagon staffer offers insights into a mysterious U.S. UFO program.

Unidentified: Inside America's UFO Investigation

Interviews and re-creations bring some of history's most daring jailbreaks to life, detailing every step of the way, including the inmates' meticulous plans and the manhunts that followed.

History's Greatest Escapes with Morgan Freeman

Legendary hunters try to capture Burmese pythons that are decimating the Florida Everglades and wiping out entire species.

Swamp People: Serpent Invasion

Alien-life theorist Giorgio Tsoukalos explores some of the world's famous mysteries.

In Search of Aliens

The story of how Dwight David Eisenhower and Richard Milhous Nixon substantially influenced nearly 20 years of American political history and how each man needed the other...manipulated the other...ignored the other...and ultimately cared for and embraced the other; it's also the story of personal and political friendship, and at the same time the revelation of cunning and manipulation so sophisticated as to be possible only by the likes of imposing and intelligent figures like "Ike" and "Dick."

Inside the Presidency: Eisenhower vs Nixon

Seventy years after the end of World War II, explorers Mike Scott and Luke Mahoney uncover a hidden Nazi document that reveals hundreds of miles of tunnels that may still be protecting Hitler's final secrets.

Hitler's Secret Tunnels

The automotive industry's most luxurious makes and models.

The Dream Machines

Eyewitnesses and their cameras provide personal, firsthand accounts of the terrorist attacks on New York's World Trade Center on Sept. 11, 2001.

The Day the Towers Fell

The story of the Chicago White Sox players who conspired to throw the 1919 World Series, resulting in a scandal that rocked the sport and the nation.

World Series Fix!: The Black Sox Scandal

The story of the rise, fall and resurrection of hot rod culture in the United States, featuring the most iconic muscle cars in history, including the rebels who built them, the renegades who drove them and the imprint they left on American culture.

Hot Rods and Muscle Cars

Jim and Bill Vieira team up with archeologist Fred Willard to investigate what happened to the lost colony of Roanoke.

Roanoke: Search for the Lost Colony

Scientific investigation seeks to reveal how Earth's evolution managed to support a vibrant menagerie of creeping, crawling and walking creatures.

How Life Began

A strange history of the substance in America attempts to explain why it has been front and center in the war on drugs.

Marijuana: A Chronic History

President Lyndon Johnson struggles with the country's involvement in the ill-fated Vietnam War.

LBJ and Vietnam: In the Eye of the Storm

U.S. Navy destroyers engage in a fight with Japanese battleships.

The Last Stand of the Tin Can Sailors

Investigators search for evidence to determine whether life on Earth began in outer space.

Ancient Aliens: The Ultimate Evidence

Archival footage and audio recordings offer a new perspective on the former president's administration.

Nixon: A Presidency Revealed

Firsthand accounts and rare photographs of the Cheyenne, Apache, Comanche, Sioux and Navajo tribes help describe the history of the American Indians.

The Great Tribes

"Alone" veterans must use their skills, experience and 10 items to survive 50 brutal days along the frigid and windswept coast of Labrador, Canada.

Alone: Frozen

The era of slave trade when millions of Africans were kidnapped and shipped to the New World.

Ships of Slaves: The Middle Passage

Films, photos and recordings from unique and rarely seen or heard archives chronicle the terrorist attack on New York City's World Trade Center Sept. 11, 2001.

9/11: 102 Minutes That Changed America

A look at the world's most well-known individuals of the past and present.

International Profile

Mongol conqueror Genghis Khan built one of the world's largest empires with territory from northern China through Russia and Eastern Europe.

Genghis Khan: Terror and Conquest

The showdowns that turned the tide on the Axis power during World War II, starting with the battle at El Alamein.

Battles That Doomed Hitler

The story of how U.S. presidents' war experiences change them, how they emerge from conflict as leaders, and how the crucible of war shapes the decisions they make when they reach the White House.

Presidents at War

Visits to fabled temples of India that celebrate the "Kama Sutra" illuminate the ancient Sanskrit treatise dealing with all facets of sexual experience.

Secrets of the Kama Sutra

The story of the 12-year span between the fall of the Berlin Wall and the 9/11 attack on New York, exploring how this period of history left a lasting impact and how the era initiated trends that continue long after.

The Untold Story of the 90s

Personal and professional recollections of the space shuttle.

The Challenger Disaster

Scouring secret clues, symbols and conspiracy theories to unravel the most provocative enigmas.

Brad Meltzer's Decoded

New insights characterize the iconic people of the Old and New Testaments.

The Bible

The leader of a radical polygamous sect was called to account for allegedly arranging illegal marriages between his followers and underage girls.

Warren Jeffs: Fallen Prophet

Albert Einstein's theory of relativity transforms him from an obscure bureaucrat into the world's most-celebrated scientist while changing the way mankind understands the universe.

Einstein

From World War II to today, men and women have undertaken roles that involve overwhelming peril, seemingly unbeatable odds, and almost certain death all for the greater good of countries or communities.

Dangerous Missions

Historians analyze the Lincoln assassination, which was considered a defining act of political terror.

The Lincoln Assassination

A new investigation driven by declassified CIA documents suggests a secret history of bitter rivalries, government conspiracies, Cold War, WWII spycraft, and amazing achievements of Nikola Tesla, a truly gifted man.

The Tesla Files

Examining the most shocking documents the federal government released related to the assassination of President John F. Kennedy on October 26, 2017.

JFK Declassified: The New Files

Quirks of the human body and mind trace back to enormous transformations on Earth billions of years in the past.

How the Earth Made Man

Retired LAPD cold case detective Cliff Shepard and researcher Charlie Cook use newly acquired audio recordings of Charles Manson in an attempt to connect an unsolved murder to the convicted murderer and his followers.

Manson Speaks: Inside the Mind of a Madman

Originally from Spain, the Borgias became one of Renaissance Italy's most powerful families--and possibly the most corrupt.

The Borgias

The famous American feud as told by historians, scholars and descendants.

America's Greatest Feud: The History of the Hatfields & McCoys

Interviews, recreations, archival footage and 3D graphics are used to explore the history and engineering behind the world's most diabolical inventions, from torture and death devices, to weapons of war, sinister spy tools, and games that kill.

Dark Marvels

In 1971, D.B. Cooper hijacks a Northwest Orient flight bound for Seattle and demands $200,000 in cash, then he jumps from the plane, never to be seen again; investigators reveal new information through interviews with experts and insiders.

D.B. Cooper: Case Closed?

Showcasing the rise and fall of the Roman Empire through the Colosseum, one of the most exhilarating and brutal arenas in the history of humanity.

Colosseum

Scientists study the geologic and climatic mysteries behind dramatic environmental changes that complicated prehistoric humans' battle for survival and caused many species to become extinct.

Journey to 10,000 BC

William Shatner explores the earth and beyond in search of the universe's most fascinating, strange and inexplicable mysteries.

The UnXplained: Mysteries of the Universe

The Knights Templar build a 4,000-mile network from Paris to Jerusalem; Mikey Kay and Garth Baldwin investigate the knights' underground movements to discover if they escaped being destroyed in 1307 and took the Holy Grail with them.

Buried: Knights Templar and the Holy Grail

A revelation of the stories behind the rules and laws written in The Bible.

The Bible Rules

Residents of a small bayou town try to ward off evil when something unknown begins to attack.

Cryptid: The Swamp Beast

Scriptural scholars and archaeologists spotlight books omitted from the New Testament through decisions of theologians and political leaders in antiquity.

Banned From the Bible II

Various law enforcement task forces, including the Bureau of Alcohol, Tobacco and Firearms, the Drug Enforcement Administration, and the Texas Rangers, are chronicled from their inceptions through present day.

The Enforcers

The Roman city of Ostia, founded in the 4th century B.C. at the mouth of the Tiber, was once a vital harbor town and important port; today, Ostia is covered in sand.

Rome's Lost Harbor

A look at how an illiterate peasant girl took command of an army and seated a king on the throne of France; explore the remarkable story of the woman warrior who became a saint.

Joan of Arc: Soul on Fire

Revealing the history behind mythologies.

Clash of the Gods

Divers investigate the 1916 explosion that ripped apart HMS Britannic, sister ship of the Titanic, rapidly sinking the vessel in the Mediterranean Sea.

Titanic's Tragic Sister

The Kensington Rune Stone, uncovered by a Minnesota farmer in 1898, provides clues that the Knights Templar might have come to America with the Holy Grail in 1362.

Holy Grail in America

Some believe the Bible contains a prophetic code that can only be deciphered using computers.

The Bible Code: Predicting Armageddon

Having played parts in World War II, the Cuban missile crisis and the Vietnam War, the Intrepid is among the Navy's most storied ships.

The Fighting I: The Story of the USS Intrepid

An insight into the the nature of snipers, their backgrounds and their motives.

Snipers

Nostradamus seems to have been able to predict many modern-day disasters, including 9/11, the recent tsunamis in the Pacific and the Ebola outbreak of 2014.

Nostradamus: 21st Century Prophecies Revealed

Terry Schappert profiles history's most famous fighting men.

Warriors

Through archival footage, interviews and speeches, this special explores the life of businessman, family man and the 41st president of the United States, George H.W. Bush.

History Remembers George H.W. Bush

A former angel shares information on the inner workings of the infamous biker gang.

Outlaw Chronicles: Hells Angels

Exploring the universe and its mysteries.

The Universe

Passengers aboard the president's Boeing 747 jet make a 20,000-mile odyssey into the heart of Africa; preparing for an international mission; a top Air Force team mans the cockpit.

Secret Access: Air Force One

Exploring the life and times of American statesman and Founding Father Alexander Hamilton and the iconic political and financial institutions he helped to create, from the U.S. Mint to the two-party political system.

Hamilton: Building America

Four women belonging to cult leader Jim Jones' inner circle help plan the 1978 Jonestown massacre in Guyana, which leaves more than 900 people dead.

Jonestown: The Women Behind the Massacre

Computer graphics re-create famous battles.

Dogfights

The aircraft carrier USS Enterprise battles Japanese during WWII.

Battle 360

Amateur footage tells the story of the Third Reich through the eyes of the people who lived it.

Third Reich

An examination of the patterns of human migration and the great forces that set humankind in motion, such as the Great Potato Famine and other historical events.

America: Promised Land

Known for their commitment to excellence, three generations of Perdues have guided their company through continued growth and change while holding on to the values inherited from its founder, "Mr. Arthur."

The Perdue Family

From Nazi genetic engineering to top-secret government research, frightening technologies have warped the animal kingdom and created manmade monsters, turning cockroaches, cats, dolphins, sharks, and other animals into spies and weapons of war.

Man Made Monsters

Against the backdrop of major events in American history, like the Civil War and the Great Depression, a story that brings new products and nostalgic toys to the forefront as driving forces behind untold cultural and economic shifts.

The Toys That Built America

The release of classified FBI files gives new life to the Adolf Hitler case.

Hunting Hitler

Using computer-generated special effects to recreate well-known historical events.

What Went Down

The president of the U.S. might be the most difficult person to protect, requiring round the clock Secret Service detail; for over 100 years, the president was not protected by the Secret Service because it wasn't their job to do so.

History Vault: The President Has Been Shot

Archaeological finds reveal the secret history of America.

America Unearthed

The stories behind innovations such as television, radio, phones, airplanes, motorcycles and power tools, as well as the inventors, including Nikola Tesla, William Harley, Alexander Graham Bell, Duncan Black and Alonzo Decker.

The Machines That Built America

The true tales and characters of the American west.

Cowboys & Outlaws

Built to attest to the power and glory of Rome, the ancient monuments often hide a rocky past; investigate the emperors who built these magnificent structures.

Rome's Eternal Wonders

Soviet aircraft designers master technical hurdles despite hardships.

Secret Russian Aircraft of WWII

A B-29 air strike collapses a coup, saves Tokyo from nuclear strike, and ends World War II.

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