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

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

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

American Pickers

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

Pawn Stars

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

Ancient Aliens

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

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

History's Greatest Mysteries

From perilous playgrounds to precarious products, Henry Winkler hosts a running cavalcade of the most exciting, reckless, unsupervised tales of Americana in our history.

Hazardous History With Henry Winkler

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

David Duchovny investigates some of the most secretive, disturbing or strangest government activities that have been declassified through history.

Secrets Declassified With David Duchovny

The innovations, failures and incredible achievements of some of the most successful businesses in history, from megastores like Costco and Walmart to shipping giants like FedEx and UPS, that forever changed the way Americans live.

The Mega-Brands That Built America

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

Rick and Marty Lagina, two brothers from Michigan, attempt to solve the mystery of Oak Island, a tree-covered island on the south shore of Nova Scotia.

The Curse of Oak Island

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

Mountain Men

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

Swamp People

Host Dan Aykroyd uncovers some of the most mysterious and bizarre inventions, creatures, people and things throughout history, by using dynamic visuals, archival images, and expert interviews.

The UnBelievable With Dan Aykroyd

Explore the 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.

The Food That Built America

Danny Trejo explores the world's most significant discoveries and the unexpected ways they were found.

Mysteries Unearthed With Danny Trejo

Investigating significant historic and contemporary sites from the revealing vantage points of drone, satellite and aerial photography.

Mysteries From Above

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

Survivalists are dropped off alone in separate areas of the Tasmanian wilderness where they must deal with the forces of nature, hunger and loneliness in an attempt to win $250,000.

Alone Australia

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

Ice Road Truckers

In 1846 the armies of Mexico and the United States clash.

The Mexican-American War

Ridley Scott, director of "Robin Hood" starring Russell Crowe and Cate Blanchett, examines how the legendary hero is a composite of several historical figures.

The Real Robin Hood

In this special edition series, journalist Tony Harris presents evidence of UFO sightings from around the globe; Tony and a team of experts will analyze said evidence and render a verdict on whether these videos prove that aliens exist or not.

The Proof Is Out There: Alien Edition

New research methods illuminate what happened during famous battles.

Battlefield Detectives

The journeys of some of the most well-known names in the world of crime, and a look at how they began as unknown thugs and transformed into globally notorious kings of crime.

Kingpin

Jimmie DeRamus and his family reveal the world of a southern pawn shop.

Cajun Pawn Stars

An ancient prophecy buried within the Vatican for centuries suggests that Pope Francis, the latest in the holy line, which stretches back nearly 2000 years, may be destined to be the last pope.

The Last Pope?

Military Blunders

The story of what happened inside the Pentagon in the minutes after a hijacked airliner crashed into the building as part of the largest coordinated terror attack on American soil, as told by the men and women who lived it.

9/11: The Pentagon

Christianity becomes the driving force of Western culture from 1000-2000 AD.

Christianity: The Second Millennium

Exploring modern-day technologies which were actually developed centuries ago.

Ancient Impossible

A profile of the Austrian serial killer who, while serving prison time for his first murder, wrote poetry, a novel and an autobiography.

Poet of Death: Jack Unterweger

Computer graphics and animation re-create four famous air battles.

Dogfights: The Greatest Air Battles

Cutting-edge CGI and cinematic re-creations are used to profile the greatest engineering accomplishments of the ancient Egyptians.

Egypt: Engineering an Empire

People perform seemingly impossible feats of marksmanship with weapons ranging from crossbows to firearms; Old West mirror-shot challenge; U.S. Army snipers hit targets a mile away.

Extreme Marksmen

The true story of America's iconic 16th president as told by weaving together both scripted dramatizations of important moments in his life and commentary by authoritative historians and public figures.

Abraham Lincoln

The story of World War II plays out through the experiences of 12 Americans.

WWII in HD

Human ingenuity advances the species through wondrous new inventions, including the steam engine, the telescope, the telephone, the Internet, the airplane, and others.

101 Inventions That Changed the World

Exploring one of the most pivotal and important times in history and the amazing African American figures who were not only heroes in their own stories but in the nation's history.

Black Patriots: Heroes of the Civil War

History Undercover

Mike and Frank revisit some of their biggest picks and show off never-before-seen treasures.

American Pickers: Bonus Buys

The Bible tells of an entity that will challenge Christ.

The Antichrist

Exploring the legacy of the Tuskegee Airmen, the legendary group of African American pilots, revealing how these warriors for change helped end segregation in the military and pave the way for the civil rights movement.

Tuskegee Airmen: Legacy of Courage

A portrait of the defining moments of Ronald Reagan's 93 years features rare footage, photos and audio clips.

Reagan

The unsung story of America's Nisei warriors of WWII, the sons of Japanese immigrants who volunteered by the thousands after Pearl Harbor and served in a segregated regiment to fight in some of the bloodiest battles of WWII.

Hidden Heroes: The Nisei Soldiers of WWII

Allied and Nazi weapons during World War II.

Weird Weapons

Spy Web

The stone-paved Roman highway system, built by conquered countries, encompassed 50,000 miles and sprawled across three continents.

Roman Roads: Paths to Empire

Inside the history and inner workings of prisons; covering institutions from the Tower of London to the high-tech ADX through interviews with journalists, former correctional officers and previously incarcerated individuals.

Prison Chronicles

Stories about mythic hillbillies drawn from 300 years of outcast immigrants, war heroes, isolated backwoodsmen, miners, moonshiners, preachers, musicians and politicians. Host: Billy Ray Cyrus.

Hillbilly: The Real Story

Some of the most innovative and mind-boggling cars are not on the streets -- they are helping the military pound pavement and cross terrain around the world; Chuck Norris explores the wildest vehicles in the history of the armed forces.

Chuck Norris's Epic Guide to Military Vehicles

Born a peasant in a medieval society, Mao rose to become dictator of a modern communist state; a look at the revolutionary life that leaves an ideological legacy to this day.

Perspectives: Mao Tse-Tung

A revealing examination of the integration of blacks into the U.S. Armed Forces, focusing on World War II and interviews with veterans.

America's Black Warriors: Two Wars to Win

Superior weapons and tactics secure an empire and contribute to its ruin.

The Roman Legions

In the aftermath of 9/11, the United States and its allies face a new kind of enemy in an unconventional conflict, which begins in Afghanistan, then spreads to Iraq; the war on terror enters a new phase as homegrown lone wolves begin to strike.

The New Age of Terror

Modern science tries to solve mysteries around the globe.

MysteryQuest

Scholars reveal new theories about Jesus that challenge long-held beliefs, claiming he was an aristocrat, not a poor carpenter, and a revolutionary, not a pacifist, and that he never lived in Nazareth.

The Unknown Jesus

Biography for Kids

In 1997, Britain ceded control of Hong Kong to China completing the Boxer Rebellion's goal of nearly 100 years prior--to oust outsiders.

China's Boxer Rebellion

Conspiracy?

Survivors from two floors of the World Trade Center tell their stories; two men who volunteered to carry a stranger down 65 perilous flights of stairs; small group determined to get a pregnant co-worker to safety.

9/11: Escape From the Towers

History Traveler

The Battle of Kursk; the Omaha Beach landings; the Battle of the Bulge.

Hell's Battlefield

The similarities of author Mary Shelley's Frankenstein character to real doctors who experimented with bringing the dead to life.

Frankenstein

Documenting the U.S. involvement in World War I in the year of 1918 by following four men and their stories.

The Great War

The surprise attack on Pearl Harbor by Japan in 1941 results from a combination of interrelated and complicated factors, but the shock and anger over the raid rallies a divided nation and brings America into World War II.

Tora, Tora, Tora: The Real Story of Pearl Harbor

Color film and photos from government archives and private collections document World War II.

The Color of War

Three respected historians divulge the origins of the world's oldest secret society, beginning with the murder of the Freemasons' revered figure Hiram Abiff.

Mysteries of the Freemasons

The remarkable life, enduring legacy and ambitious leadership of John F. Kennedy, the 35th President of the United States.

Kennedy

A look at the lives of two of England's most infamous criminals, Reginald and Ronald Kray, who became almost synonymous with London's East End -- former stomping grounds of Jack the Ripper -- during the 1950s and '60s.

The Kray Twins

Located on a tiny cluster of islands, Venice boasts an unrivaled military past; without defensive walls, she relied on her 200-square- mile lagoon for protection until surrendering to Napoleon in 1797.

Venice: Queen of the Adriatic

Alaska: Dangerous Territory

Possible origins and histories of legendary monsters and their continued existence.

True Monsters

Dig deep beneath the surface of the collective understanding of the Third Reich to find what we don't know about the individuals who comprised one of the most fascinating and complex regimes of recent history.

Third Reich: The Fall

In 1212, two young boys begin a crusade to retake the Holy Land from Islam.

The Children's Crusade

Celebrating technological breakthroughs and man-made wonders, both modern and old.

Modern Marvels: Then and Now

The value of gold throughout history; an American company scours the oceans for shipwrecks loaded with treasure; gold takes on a new luster in a time of financial uncertainty.

The Secret World of Gold

The hidden history of the White House, including the mystery of a top-secret construction project dubbed the Big Dig that took place outside the West Wing; the search for the truth utilizes images, graphics and previously classified materials.

The Secret History of the White House

How five self-made men transformed the U.S. into a global superpower.

The Men Who Built America

Examining some of the most notorious engineering accidents in history.

Engineering Disasters

An elite team investigates the Bermuda Triangle with the aid of a map marking the location of unidentified undersea wrecks and anomalies; evaluating theories like rogue waves, giant methane bubbles and dead zones that bewilder equipment and planes.

The Bermuda Triangle: Into Cursed Waters

Forensic investigators reconstruct a 2,000-year-old body to find physical evidence of crucifixion while exploring the history and science of the execution method, which can be traced to ancient Babylon.

Crucifixion

Four veterans tell the story of a mysterious explosion in Pearl Harbor before the Japanese were even in sight.

The Other Tragedy at Pearl Harbor

Featuring a collection of newsreels and U.S. government footage to relive America's experiences in Korea from the earliest days of intervention in 1950 to the signing of the Armistice in 1953.

Korea: The Forgotten War

Host Brad Meltzer chronicles the story of what happened to the American flag raised by three firefighters at Ground Zero on Sept. 11, 2001; the iconic Ground Zero flag disappeared after 9/11, but it has now been found and returned to New York.

America's 9/11 Flag: Rise From the Ashes

Green Beret Terry Schappert goes to Scotland to research the 1297 Battle of Stirling Bridge, where William "Braveheart" Wallace and his ragtag forces took on Edward I's 13,000-strong English army.

Warriors

Union Lt. William Cushing uses a torpedo to destroy a Confederate iron-clad ship.

The Most Daring Mission of the Civil War

Soldiers take on special duties in times of war and conflict.

Special Ops

New evidence confirms that a man named Finkle was the lone white survivor of Custer's Last Stand.

Custer's Last Man: I Survived Little Big Horn

President and Mrs. George W. Bush invite viewers on an in-depth, televised tour of the White House; antiquarian twins Leslie and Lee Keno join the tour, offering insights.

The White House: Behind Closed Doors

He was known as The Bambino, The Sultan of Swat, and The Babe to millions of baseball fans who loved to see him hit home runs and live the good life.

Perspectives: Babe Ruth

A chronicle reveals the second-most-used illicit drug in the United States.

Cocaine: History Between the Lines

A history of the Roman Empire, from the rise of Julius Caesar to the country's eventual fall.

Rome: Engineering an Empire

Explorers look for evidence that links the medieval Knights Templar with 17th-century pirates.

Pirate Treasure of the Knights Templar

Recounting key battles of World War II through reconnaissance photos.

The Lost Evidence

The history of Walt Disney and how the iconic Disney brand, fueled by the creation of characters, family films, theme parks, technological innovations, and more, continues to shape generations and is forever woven into the fabric of American life.

How Disney Built America

Families of 9/11 victims share their stories of the messages they received from beyond.

Messages from 9/11

In 2013 Boston's most popular event turned into a nightmare; interviews with people who experienced the sudden terror of this cold-blooded act, and the pursuit of justice that followed.

Days That Shaped America: Boston Bombing

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