Frank Sinatra; Dean Martin; Judy Garland.

Four American Presidents have lost their lives to some of the most notorious madmen in all of history. Discover the most shocking facts surrounding presidential assassins.

Henry Rollins discusses why a very important office in Washington is oval; why a brothel once operated on the White House grounds.

Facts about about the founding fathers; bitter rivalries; spy games and bankrupt presidents.

Prohibition; the crazy and sinister things the government did to get Americans to stop drinking.

Facts about the American flag, from its many designs to its journey to the moon; the original Pledge of Allegiance.

Henry uncovers macabre spectator sports, exotic animals and natural disasters as he explores the vivid history of the former independent republic known as Texas.

Henry examines the Civil Rights movement in the United States, sharing stories about Martin Luther King Jr., Malcolm X and other champions in the fight for equality.

Henry reveals surprising facts about scientific geniuses and future rivals Thomas Edison and Nikola Tesla.

Unknown facts about the American Revolution; stories of overlooked heroes; astonishing innovations; and heartbreaking tragedy.

Unknown facts about iconic the Hoover Dam; harrowing tales of the men who built it; ideas on how to protect it.