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

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

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

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

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

Swamp People

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

Mountain Men

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

History's Greatest Mysteries

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

Documenting life in remote logging camps in the Pacific Northwest.

Ax 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 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

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

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

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

Swamp People: Serpent Invasion

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

Illuminates the shadowy liaison between U.S. Naval Intelligence, the Office of Strategic Services, and Army, and the New York and Sicilian Mafia during WWII.

Project Underworld: The Military and the Mafia

Researchers suggest the possibility of a fatal flaw in the construction design of the ocean liner.

Titanic's Achilles Heel

For more than two centuries, searchers have been building a mosaic of valuable clues; now, it's time to count down their most meaningful discoveries.

The Curse of Oak Island: The Top Ten Signs of Buried Treasure

A recount of espionage exploits as relatives of fallen heroes and CIA agents examine CIA files.

Top Secret Missions of the CIA

It is sometimes necessary to create large "super structures" to overcome nearly-impossible challenges. This series showcases the construction of some of these larger-than-life structures. Some of the buildings are constructed to be able to survive natural disasters, while the purpose of others is mainly to highlight what engineers are capable of creating. Among the structures featured on "Project Impossible" are the largest movable building in history and a skyscraper built to withstand major earthquakes.

Project Impossible

President George W. Bush, Vice President Dick Cheney, Mayor Rudolph Giuliani, and others provide a new perspective on the 9/11 terrorist attacks; the day's events are seen anew through the lens of declassified documents, photographs and information.

15 Septembers Later

One of the most popular theories about the Oak Island treasure involves a connection to the Templar; counting down the top 10 Templar ties.

The Curse of Oak Island: The Top Ten Templar Ties

Exploring historical blunders, engineering disasters and deadly tragedies.

History's Greatest Blunders

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

How Sex Changed the World

Exploring the key battles in the civil rights movement that transformed American society, including the Montgomery bus boycott of 1955 and the Chicago freedom movement, and uncovering what it took to translate protest into real legislative change.

Rise Up: The Movement That Changed America

Scientists search for the truth behind reports of legendary monsters around the world.

MonsterQuest

Rome: Rise and Fall of an Empire

Top investigators and code-breakers strive to crack the code of the Zodiac Killer, whose identity remains unknown.

The Hunt for the Zodiac Killer

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

The Little Ice Age's scientific properties, natural causes, the people it affected and specific examples of areas it decimated.

Little Ice Age: Big Chill

The escape from Alcatraz in 1962 forces the government into a merciless manhunt, but the three inmates are never found; the family of the escaped Anglin brothers searches for answers to its very public mystery.

Alcatraz Escape: The Lost Evidence

Christmas Through the Decades

Some cults are determined to destroy society as it is today.

Cults: Dangerous Devotion

Brian Unger explores how America's States got their borders and how they continue to change today.

How the States Got Their Shapes

Engaging and in-depth profiles of the people who have captured the world's imagination.

Perspectives

Mob legends, their violent lives, struggles to grab power, wealth and prestige.

Mobsters

The origins of hot dogs; America's beef industry memorial; longhorn beef in Texas; Lafayette's annual black pot cook-off.

Meat America

The 2,500 miles of road stretches from Boston to Miami.

Atlantic Intracoastal Waterway

American civilians make a daring escape from the Philippines when the nation is overrun by Japanese troops.

WWII Sub Rescue

Intimate Portrait

Historic events that forever transformed the United States.

Days That Shaped America

In 1347, the worst biological disaster in the history of mankind swept through Europe, wiping out almost half of the population in three years.

The Plague

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

In Search of History

An enhanced version of the series "Ancient Aliens."

Ancient Aliens: Declassified

Four-part documentary about the history of Mexico, describing a major period in Mexico's history and including a segment on social history and culture, especially those customs that have become woven into American culture.

Mexico

Nostradamus may have predicted the outcome of the 2016 U.S. presidential election; the seer refers to an epic battle between a "Masculine Woman" and an "Audacious Bawler," while foretelling a time of great trouble in the wake of the election.

Nostradamus: Election 2016

Healing women; sorceresses; European persecution of witches; Salem witch trials.

Witchcraft

Told entirely from the first-person perspective of leaders, physicists, soldiers and survivors, this presents the moral, scientific and military conundrums of the atomic bomb as felt by those closest to it.

Hiroshima: 75 Years Later

New information details how a nation ranked 19th in the world's militaries in 1939 emerged six years later as the planet's only atomic superpower.

WW2 From Space

How the Earth Was Made

Jeff Mudgett tries to prove a controversial theory that his great-great grandfather, serial killer H.H. Holmes, and Jack the Ripper were the same person.

American Ripper

Unlocking the secrets and addressing the critics of the popular book.

Behind The Da Vinci Code

An in-depth look into unexplained phenomena from all over the world.

In Search Of

The history of the area in New York known as the Five Points, breeding ground for such criminals as Al Capone and Lucky Luciano.

Five Points Gangs

Expeditions lead to the recovery of two large, intact sections of the ship's hull and allow for further analysis of the disaster.

Titanic's Final Moments: Missing Pieces

This two-hour special will examine the marijuana growing industry; the growers, the smokers, the opponents, and the entrepreneurs; it's a deep dive into the history and current landscape of the world of marijuana.

The Marijuana Revolution

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

In Search of Aliens

An interview with actor Richard Gere helps profile Tenzin Gyatso, the 14th Dalai Lama and spiritual leader of Tibet.

Dalai Lama: The Soul of Tibet

An ancient scroll, created around 1800 B.C., makes history with its rediscovery and theft in 1887 and is translated in modern times.

The Egyptian Book of the Dead

The story behind the Watergate scandal, including Vietnam, the unrest of the 1960s, a near World War, the opening of China, and the moment when some unlikely heroes from both political parties band together and bring down the White House.

Watergate

Accounts from survivors of the attack spotlight the locations where soldiers, sailors and marines fought and died on Oahu.

Unsung Heroes of Pearl Harbor

German military aircraft designs surpass those of their Allied counterparts.

Secret Luftwaffe Aircraft of WWII

Stories behind the big clashes in WWE history.

WWE Rivals

The African American contribution to the Normandy invasion.

A Distant Shore: African Americans of D-Day

Goes behind the scenes of some of the most legendary monuments and organizations.

America's Book of Secrets

Find out what happens to massive machines and equipment when they outlive their usefulness.

Boneyard

Exploring the biblical world from a military perspective.

Bible Battles

In 1590, the governor of Roanoke returned from England to find all 117 settlers missing; the only clues: five chests of books and papers buried in the sand, and the word "Croatoan", a Native-American village to the south, carved on a post.

Lost Colony of Roanoke

Allied armies struggle to break free of the beaches.

D-Day: The Total Story: Breakout

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

Colombian serial killer Pedro Lopez is suspected of murdering more than 300 South American girls.

The Monster of the Andes: Pedro Lopez

Since mankind's beginnings, and in all civilizations, humans have found ways to alter everyday consciousness in search of a greater reality; to this end, we have indulged in many frightening and often toxic substances in many different rituals.

Ancient Drugs

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

Roman Vice

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

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

Troy Landry teams with local experts in a wild chase to help save America from hostile, menacing and often mysterious creatures.

Swamp Mysteries

From the mid-1600s to the turn of the 20th century, more than 5 million emigrate from Ireland; Aidan Quinn narrates.

The Irish in America

Civil War Gen. William Tecumseh Sherman stands as a hero in the North and as a villain in the South.

Sherman's March

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.

Pat Nixon: Behind the Smile

Personal profiles of two iconic leaders of the Civil War indicate how these men changed the course of American history.

Lee & Grant

Japanese Emperor Hirohito is both worshiped and reviled.

Hirohito

Putting viewers in the position of decision makers at historic events.

Command Decisions

Beginning with the 1993 World Trade Center bombing, journalist Steve Coll chronicles the events that took place in the lead-up to the terrorist attacks on Sept. 11, 2001, including missed signals, failed operations and political turf wars.

Road to 9/11

The historical events that spawned the self-proclaimed Islamic State (ISIS), one of the world's most feared terrorist organizations; interviews with U.S. policymakers, generals and intelligence officers as well as an interview with an ISIS recruit.

ISIS: Rise of Terror

Exploring the history of the American presidency with a comprehensive look at a wide variety of presidential action that moved our country forward.

The American Presidency With Bill Clinton

While great minds point to the theoretical possibility of time travel, there may be evidence that humans have already traveled through time; the evidence, questions, conspiracies, and eyewitness accounts surrounding the theories of time travel.

Time Beings: Extreme Time Travel Conspiracies

U.S. and Filipino prisoners of war are forced by their Japanese captors to march over 50 miles to an internment camp.

Bataan Death March

This one-hour special digs deep into the core of The Rock, depicting its imprint on our national psyche with new and revealing interviews from those who know the true story of Alcatraz.

Inside Alcatraz: Legends of the Rock

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

Beyond Oak Island

Author Robert Katz ("The Battle for Rome").

The Unholy Battle for Rome

An examination of the facts and mysteries involved in the trials of suspected witches in Salem, Mass., in 1692.

Salem Witch Trials

An intimate portrayal of the events of Sept. 11, 2001, as captured by a dozen ordinary people who chose to pick up their video cameras that day.

9/11: I Was There

History's greatest engineering and architectural achievements.

Engineering an Empire

From strange failures of design and marketing to incredible triumphs of performance and sales, world events, pop culture and crazy experimentation shape automobiles from the 1970s to today.