After signing the biggest deal of his life, Ambrose Small walked into a snowstorm and was never seen again.

The Codex Gigas is the largest illuminated manuscript in the world, but that’s not what makes it famous.

The killers behind these terrifying crimes remain unidentified to this day.

The "Ogress of Reading" was rumored to be responsible for the deaths of 400 children.

From a cult-leading serial killer to a moonlit murder spree that remains unsolved to this day.

The secret locked in her mansion attic was so vile, it inspired decades of ghost stories, crime books, and even a character on American Horror Story.

Up to 200 victims may have died at his 1890's Chicago "Murder Castle."

Hallie Rubenhold retraces the footsteps of the five victims murdered by London’s infamous serial killer. 

China's Jack the Ripper is an eerie echo of the original. 

After more than 130 years, the Ripper's identity may have finally been revealed. 

They lured people to their deaths, then sold the cadavers to medical schools.

Bringing doom to the once-powerful Lemp family, this mansion’s history will fascinate any spirit seeker.

These wild children were forced to fend for themselves in ways that often left them far outside the bounds of society.

Bedlam Asylum’s chilling past haunts us to this day.

Haunting the halls of this classic Hollywood home is a bloody murder mystery.

What dark secret made Charlie Lawson slaughter his family on Christmas Day?

In 1620, pilgrim John Billington crossed the Atlantic Ocean to become the first convicted murderer of the Plymouth colony.

The groundbreaking "nonfiction novel" changed the world of true crime—and inspired a legion of killer books.

Her overt fear of water, the fact that she was found in her nightgown, and an argument between her husband and alleged lover raised more questions than answers.

She looms large in the annals of American crime lore. But how well do you truly know Lizzie Borden?