When comedian Phil Hartman was murdered by his wife Brynn on May 28, 1998, America was devastated — but his friends had seen the warning signs for years.

More than any other source, Kurt Cobain's journals reveal the music that inspired him and the problems that plagued him.

From July 1976 to August 1977, David Berkowitz roamed the streets of New York, where he shot six people at random in what's known as the "Son of Sam" killings.

Even after 2,200 years, the mummy of ancient Chinese noblewoman Xin Zhui a.k.a. Lady Dai remains so well-preserved that there's hair on her head and blood in her veins.

From religious extremism to child abuse to their brutal treatment of the Native Americans, the Pilgrims who built the Plymouth Colony were far more ruthless than you realized.

After the April 1986 nuclear disaster, a 30-kilometer zone around Chernobyl was completely abandoned. This is what it looks like today.

First devised at the University of Tennessee, body farms have become invaluable research facilities for everyone from scientists to law enforcement officials.

The all-female members of the Soviet's 588th Night Bomber Regiment painted their planes with flowers and attacked Nazi forces across the Eastern Front.

On D-Day, more than 160,000 Allied troops converged on a single stretch of coastline to begin the Normandy invasion — and turn the tide of World War II.

From raising chickens to racing Cobras, Carroll Shelby's high-octane life led him from East Texas to global fame.