Bladesmithing 101: Bowie Knife

In WWII, Native American Code Talkers created an unbreakable code for Allied transmissions, but the strategy began in WWI amid persecution at home.

The practice of exorcism appears in religions around the world and is as old as human history. Discover the truth behind the Catholic rite of exorcism and the horrors some priests say they have witnessed.

While sweeping the Atlantic Ocean floor with sonar, researchers detect something massive: a 60-foot, shark-like creature of unimaginable proportions that may be a living megalodon, long thought to be extinct.

Learn how true darkness surrounded the cast and crew of the first-ever vampire film, "Nosferatu".