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

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

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

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

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

History's Greatest Mysteries

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

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

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

Swamp People

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

Secrets Declassified With David Duchovny

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

Mountain Men

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

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

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 behind the big clashes in WWE history.

WWE Rivals

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

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

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

Mysteries Unearthed With Danny Trejo

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

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

The Mexican-American War

"Forged in Fire" tests some of the best in the field of bladesmithing as it attempts to re-create some of history's most iconic edged weapons. Four master bladesmiths are challenged in each episode to forge swords, which are tested by a panel of judges. The contestant who survives the elimination rounds -- judged by a man who has been making knives for over 20 years, a hand-to-hand combat specialist, and an authority on period-accurate weaponry -- will take home $10,000 and the Forged in Fire title. Join the contestants for a bladesgiving as they craft unique and accurate weapons.

Forged in Fire: Bladesgiving

In an effort to gain a broader perspective and build larger data sets, the Skinwalker team adds two team members and takes the offensive by pursuing evidence of similar phenomena found at analogous sites around the country.

Beyond Skinwalker Ranch

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

Ancient Aliens: The Ultimate Evidence

An entertaining conversation expresses perks and perils of being the most-powerful man in the world.

It's Good to Be President

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

Professor Tudor Parfitt embarks on a harrowing journey of discovery to reveal where the Ark of the Covenant may be found and what it may look like.

Quest for the Lost Ark

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

Investigators track Lee Harvey Oswald's activities before the assassination of President Kennedy.

JFK Declassified: Tracking Oswald

Hitting the road to visit America's exciting places in search of historical finds and impressive collectible objects while connecting with fans in eight different cities.

Pawn Stars Do America

Seemingly ordinary objects can hold powerful significance in the annals of human history.

101 Objects that Changed the World

Combat veterans Rudy Reyes and Ronnie Adkins unravel the mysteries behind the strangest and most controversial images, sounds and documents from the modern history of war.

The Proof Is Out There: Military Mysteries

Unsung Heroes

Searching for lost objects associated with notable moments and stories in history.

Brad Meltzer's Lost History

Biography

The story of Thomas Jefferson, the third President of the United States and a Founding Father, who was also a plantation owner, ambassador to France, and a Renaissance man.

Thomas Jefferson

Zach Selwyn hits the streets and tells us the meaning and etymology of common words and phrases.

America's Secret Slang

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

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

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

A commemoration of the Japanese attack on Pearl Harbor explores both well-known and lesser-known stories from a day that will forever live in infamy; experts, eyewitnesses and military minds show how this tragedy continues to shape the United States.

Pearl Harbor: 75 Years Later

The stories behind the world's most original people, including exclusive access and fresh perspectives.

Biography International

High-school science teacher Craig Beals digs into one of America's biggest mysteries, the Yellowstone supervolcano; Craig is on a mission to find out when it erupted last.

Secret Earth: Yellowstone Supervolcano

An in-depth look at significant moments in world history.

In Search of History

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

The hostile environment and haunting beauty of the desert.

The Sahara

Personal and professional recollections of the space shuttle.

The Challenger Disaster

The story of Milton Hershey, who created the chocolate candy empire and became a leading philanthropist; follow Milton's rise from poverty to the development of his chocolate formula and creation of his candy city.

Biography: Milton Hershey: Chocolate King

German military aircraft designs surpass those of their Allied counterparts.

Secret Luftwaffe Aircraft of WWII

Allied armies struggle to break free of the beaches.

D-Day: The Total Story: Breakout

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

The effect the bubonic plague had on society in 1348 and its long-term ramifications; how such a catastrophe might be met today.

Scourge of the Black Death

Revisiting a series of critical historical events, disasters, triumphs and true stories to learn unexpected facts in an engaging, fast-moving, and often unpredictable way.

I Was There

Investigate the deception plan "Bodyguard" which included a million-man army of inflatable men and equipment to fool the Germans as to when and where the real assault would hit.

The Best-Kept Secret: D-Day

Putting a price tag on everything the planet Earth has to offer to evaluate how much people have used throughout history and how much is left to reveal the absolute value of the Earth.

What's the Earth Worth?

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

The Roman Legions

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

The often untold story of how modern truck technology is a key component to emergency services.

Rescue Trucks

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

Examining evidence of possible alien encounters.

UFO Files

The Leningrad Codex is the world's oldest complete text of the Hebrew Bible; now, antiquities expert Timothy Smith believes he's found a code hidden within its text, which purportedly describes historical events, including the rise of Adolf Hitler.

God Code

A look at treasure quests across the globe, revealing new details and clues from past searches.

Beyond Oak Island

Researchers examine 10 of Nostradamus' most-famous prophecies and what his life tells about the truth of his predictions.

Nostradamus: 500 Years Later

An inside look at the hand-over process from election to inauguration, including security briefings and the transfer of the nuclear football; a look back at notable transitions as this American tradition endures in times of war, scandal and tragedy.

Transition of Power: The Presidency

Recent excavations at Teotihuacan, site of Mexico's Great Pyramids, reveal that they were not built by Aztecs, as originally thought, but by an unknown earlier civilization.

Mexico's Great Pyramids

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

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

In ancient times, the tattooed Celts, who often fought naked while covered in blue paint, were Europe's most feared warriors; yet, they were brilliant artists, farmers, and metal workers.

The Celts

Tracking the evolution of the ocean's seven deadliest zones known throughout history as having been the direct cause of human devastation through floods, tsunamis, hurricanes, ice, underwater volcanoes and shipwrecks.

Underwater Universe

The truck bomb left by Timothy McVeigh at the Alfred P. Murrah Federal Building in 1995 killed 168 people and altered the lives of hundreds more; the stories of people who worked in the building; the head of the local FBI.

Days That Shaped America: Oklahoma City Bombing

In 1857, when President Buchanan appointed a non-Mormon as governor of Utah, America faced its fiercest confrontation between church and state.

The Mormon Rebellion

Eugene P. Sledge's "With the Old Breed at Peleliu and Okinawa" is hailed as the finest account of an enlisted man's war ever written.

Sledgehammer: Old Breed Marine

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

Alaska: Dangerous Territory

A look at how the human race has survived throughout the ages.

Mankind: The Story of All of Us

The Dec. 7, 1941, attack on Pearl Harbor blindsides the United States and changes the course of world history; the heroes who defended America and helped shape it into the nation it is today give their firsthand accounts of the event.

Pearl Harbor: Survivors Remember

Bizarre extinct creatures -- like the Nothronychus, Anomalocaris, saber-toothed cats, mastodons and woolly rhinos -- come back to life via computer graphics, film footage of their habitats, and interviews with scientists.

Prehistoric Monsters Revealed

Myths, legends and realities of the American frontier.

The Real West

The story of Ulysses S. Grant's rise to reunifying a fractured nation to become a champion of civil rights and equality.

Grant

The Greeks and the Persians fight one of the most famous battles in history at a place called Thermopylae.

Last Stand of the 300

A look at the surprising origin stories of the American alcohol, gambling, sex, and tobacco industries and the notorious entrepreneurs who built some of history's biggest fortunes on the nation's cravings.

The Booze, Bets and Sex That Built America

For over a year, First Lady Edith ran the country in one of the best-kept secrets in the annals of White House history.

Madam President

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

How sex has impacted the way people govern, learn and do just about everything.

How Sex Changed the World

The dramatic tale of Owens' athletic dedication, perseverance and triumph over Hitler's Aryan supremacy agenda.

Triumph: Jesse Owens and the Berlin Olympics

Spy Web

During World War II, Japan occupies the Aleutian Islands in the Alaskan north.

The Bloody Aleutians

The advent of convenient, portable food has allowed the human race to explore new frontiers including the far-flung reaches of space.

101 Fast Foods that Changed the World

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

Ships of Slaves: The Middle Passage

On the 50th anniversary of the historic moon landing, lost tapes of the Apollo 11 astronauts are unearthed, and the discovery of the dangers and challenges of the mission to the moon come to light.

Moon Landing: The Lost Tapes

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

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

Reviewing the strategies, tactics and weapons used by ancient commanders.

Battles BC

Roman funeral practices; secret societies; palaces of Nero and Tiberius.

Roman Vice

Czar Peter the Great creates the modern Russian navy during the late 1600s.

The Russian Navy

Chronicling famous shootouts from history from the perspectives of both sides of the fight.

Shootout!

Acclaimed storyteller and local historian Bil Lepp travels off the beaten path across the country to discover the truth behind mysteries and legends of American history.

Man vs. History

Historical account of the Navy SEALs, including how they existed before President Kennedy commissioned them in 1962.

The Complete History of the Navy SEALs

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

The Men Who Built America

Profile of the first lady who disliked politics but supported her husband, Richard, through the many crises of his turbulent career; here is the real Pat Nixon, the perfect political wife who smiled in public and said nothing controversial.