Traditionally, seppuku involved a samurai slicing through his own abdomen in a slow and excruciating death, but in later years, a second person would cut off the victim's head at the moment of highest agony.

From his $100 million fortune to his bullet-proof Cadillac to the story behind his infamous scar, these are the most fascinating facts about Al Capone.

Soon after 24-year-old Jennifer Kesse vanished from her Orlando condo, someone was caught on surveillance footage getting rid of her car at a nearby apartment complex — but their face was obscured by a gate.

One of history's cruelest forms of capital punishment dating back to the days of ancient Rome, immurement has the victim sealed inside an enclosed space and left to die slowly.

In the mid-1960s, Australian yoga teacher Anne Hamilton-Byrne founded the Family Cult and convinced her followers she was the reincarnation of Jesus Christ.

Laden with more than 100,000 Christian symbols, Lithuania's Hill of Crosses is one of the world’s most unique pilgrimage sites.

Considered the deadliest natural disaster in American history, the Galveston Hurricane of 1900 left one in four city residents homeless and killed up to 12,000 people.

From his prison escapes to his Twitter wars, discover some of the wildest facts about Joaquín "El Chapo" Guzmán.

From Al Capone to Machine Gun Kelly, America's most notorious criminals ended at the maximum-security prison on Alcatraz Island.

Indonesia's Toraja people keep their dead relatives in their homes, treating them as if they were alive until they can be given expensive, elaborate funerals.

Ted Kaczynski, a.k.a the Unabomber, seemed to be an unstoppable force of terror — until James Fitzgerald joined the investigation.