TV Guide American Heroes Channel Monday

An in-depth look into the hidden history of the destructive war between the Mafia and the Ku Klux Klan, two of the most violent groups within the United States.

In the 1930s, American Nazis plagued the United States, from rallies held at Madison Square Garden, to intricate plots involving the theft of weapons secrets.

As one of most highly-sought treasures of the world, gold has led man to often-deadly extremes in his pursuit of it, as profiled in this glittering episode.

The attack that changed the course of history, made heroes of ordinary men, and transformed how the United States would engage with war for the next 75 years.

Host Lou Ferrente heads to New Mexico to explore the world of The Burquenos, a new and fast-growing prison gang, witnessing their recruiting practice and more.

In Naples, Italy, Lou meets up with one of the world's oldest and most powerful gangs, which was formed over 200 years ago and uses murder as a business tool.

A feud erupts in 1880s Wyoming between ranching homesteaders and cattle barons over land, power and the future of the West.

Famed street war between the anti-immigrant Bowery Boys, a nativist group, and the Dead Rabbits, the Irish-Catholic muscle of the city government.

A showdown that matched a legendary conman and his gang against a town-organizer turned vigilante, as they battled to bring justice to the Alaskan Frontier.

One of the most famous feuds in American history, starting as a Civil War dispute and escalating into kidnapping, murder, illicit love affairs and a turf war.

Two formerly friendly ranching families in 19th century Arizona become locked in a ten-year epic battle, the deadliest feud in U.S. history.

A battle between two railroad factions develops, as both companies seek to be the first to lay tracks through the narrow Royal Gorge canyon.

In its third year in January of 1863, the American Civil War saw over 200,000 killed or wounded, and with no end in sight, it would enter its bloodiest days.

Chroncling the spring of 1861 reveals how America's grand experiment in democracy became jeopardized as the divided nation engaged in a deadly war.

An exploration of the assassination of President John F. Kennedy is presented, featuring interviews with officers and family and friends of Lee Harvey Oswald.

An elite U.S. Navy SEALS unit is called in after heavily-armed Somali pirates attack a commercial ship and hold its captain hostage on a drifting lifeboat.

Civil Rights movement champions John Lewis, Carolyn McKinstry and Ruby Bridges share their memories about the Civil Rights movement.

The theory of how President Abraham Lincoln may have brought on a series of events that culminated in the moon landing is investigated.

Historians and experts judge historical figures John Glenn, Bruce Lee, Harry Truman and Hunter S. Thompson, analyzing their extraordinary feats.

Historians and experts judge historical figures George Washington, General Douglas MacArthur, Amelia Earhart and Jack Johnson, analyzing their amazing feats.

Historians and experts judge historical figures Benjamin Franklin, Al Capone, Abraham Lincoln and Ernest Hemingway, analyzing their extraordinary feats.

Historians and experts judge historical figures Neil Armstrong, Teddy Roosevelt, John Dillinger and Harry Houdini, analyzing their extraordinary feats.

Historians and experts judge historical figures Evel Knieval, Andrew Jackson, Howard Hughes and George S. Patton, analyzing their extraordinary feats.

Historians and experts judge historical figures Elvis Presley, Ulysses S. Grant, Ted Williams and John F. Kennedy, analyzing their extraordinary feats.

Historians and experts judge historical figures Benjamin Franklin, Al Capone, Abraham Lincoln and Ernest Hemingway, analyzing their extraordinary feats.

Historians and experts judge historical figures Neil Armstrong, Teddy Roosevelt, John Dillinger and Harry Houdini, analyzing their extraordinary feats.

Historians and experts judge historical figures Evel Knieval, Andrew Jackson, Howard Hughes and George S. Patton, analyzing their extraordinary feats.

Historians and experts judge historical figures Elvis Presley, Ulysses S. Grant, Ted Williams and John F. Kennedy, analyzing their extraordinary feats.

Historians and experts judge historical figures John Glenn, Bruce Lee, Harry Truman and Hunter S. Thompson, analyzing their extraordinary feats.

Historians and experts judge historical figures George Washington, General Douglas MacArthur, Amelia Earhart and Jack Johnson, analyzing their amazing feats.