With theories ranging from an avalanche to katabatic wind, researchers may have finally solved the Dyatlov Pass Incident that left nine Soviet hikers dead in February 1959.

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.

The English nursery rhyme "London Bridge is Falling Down" seems innocent on the surface, but some scholars believe it's a reference to immurement — the medieval punishment where a person is locked inside a room until they died.

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.

In 1986, Pennsylvania state treasurer Robert Budd Dwyer was convicted of bribery charges — then he shot himself in front of television cameras a few months later.

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.

These unforgettable stories of Titanic survivors capture the bravery, horror, and grief of the disaster that left more than 1,500 people dead in the North Atlantic in April 1912.

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