Perhaps the most dignified stagecoach robber of the Old West, Black Bart earned the nickname the "gentleman bandit" because of his well-mannered demeanor, his reputation for never firing a shot, and his peculiar habit of leaving poems behind at his crime scenes.

Before his death in 1582, Oda Nobunaga conquered much of central Japan and laid the groundwork for the unification of the country, making him the first of three "Great Unifiers" in Japanese history.

Throughout the 1980s and 1990s, Herb Baumeister allegedly murdered about two dozen gay men and boys, dumping their bodies along I-70 or burying them on his Fox Hollow Farm estate in Indiana.

Between 1929 and 1934, Charles Arthur "Pretty Boy" Floyd carried out a daring crime spree across the American Midwest, robbing 30 banks and killing as many as 10 people before he was gunned down by FBI agents in an Ohio cornfield.

From his brutal murder of made man Billy Batts to his sudden "disappearance" in 1979, Tommy DeSimone lived a life that was much wilder than Goodfellas could ever depict.

Ever since David Bradford built the Myrtles Plantation in St. Francisville, Louisiana in 1796, rumors have swirled about its alleged haunting by vengeful ghosts.

Following a decades-long struggle with his weight and drug abuse, Elvis Presley died at 42 years old in August 1977.

Mickey Cohen succeeded Bugsy Siegel as the leader of L.A.'s criminal underground in the mid 1900s — and became a celebrity in the process.

Giuseppe "Joe" Masseria was the preeminent Mafia boss of Prohibition-era New York before his own lieutenant betrayed him and ordered his murder in April 1931.

After vanquishing his rivals, Carlo Gambino took control of the Mafia's Commission and made the Gambino family into the most powerful outfit in America.

For 10 years, The Mamas & The Papas guitarist John Phillips allegedly had an incestuous relationship with his daughter Mackenzie Phillips.