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

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

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

History's Greatest Mysteries

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

Swamp People

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

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

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

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

Mysteries Unearthed With Danny Trejo

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

Mountain Men

Uncover the world's most mysterious monster myths in "MonsterQuest," trekking around the globe in search of the true, scientific realities behind Bigfoot, man-eating catfish, aquatic dinosaurs and more.

MonsterQuest

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

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

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

Ice Road Truckers

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

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

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

Reagan

New research methods illuminate what happened during famous battles.

Battlefield Detectives

Spy Web

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

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?

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

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

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

Roman Roads: Paths to Empire

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

Allied and Nazi weapons during World War II.

Weird Weapons

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

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

Dogfights: The Greatest Air Battles

Military Blunders

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

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

History Traveler

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

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

Egypt: Engineering an Empire

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

Examining some of the most notorious engineering accidents in history.

Engineering Disasters

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

The Great War

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

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

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

The Roman Legions

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

The Men Who Built America

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

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

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

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

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

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

Conspiracy?

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

Frankenstein

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

Hell's Battlefield

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

The Most Daring Mission of the Civil War

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

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

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

Special Ops

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

The Color of War

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

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

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

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

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

The White House: Behind Closed Doors

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

Messages from 9/11

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

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

Cocaine: History Between the Lines

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

Pirate Treasure of the Knights Templar

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

Rome: Engineering an Empire

Deep Sea Detectives

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

Recounting key battles of World War II through reconnaissance photos.

The Lost Evidence

Pickup trucks are essential to the American way of life; manufacturers compete to outsmart, outmaneuver and outlast each other; experts, designers and historians weigh in on the most influential innovations in the truck world over the past 120 years.

Truck Wars

The development of the internal combustion engine and the car impacted the world as few others have.

The Cars That Built the World

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

Shelby Stanga, also known as the Swamp Man, puts his new protege through the tests of the swamp to prove that she has what it takes to be on board his barge, the Leviathan.

The Return of Shelby the Swamp Man

The story of the little things we see and use every day. Why does a fork have four tines? What is the purpose of the buttons on the sleeve of a jacket? The answers to all these questions.

The Epic History of Everyday Things

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

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

The Children's Crusade

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

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

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

True Monsters

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

Modern Marvels: Then and Now

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

The Secret History of the White House

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

A 1930s crime spree gives rise to the creation of the Federal Bureau of Investigation, when people like John Dillinger, Machine Gun Kelly, Baby Face Nelson, and Bonnie and Clyde often had technological advantages over local police.