More than three decades after the installation of Kryptos, three of its four coded messages have been cracked — but one remains a mystery.

The owner of the "Rent-A-Hitman" website said he routinely gets suspicious requests and will hand them over to the police.

On March 11, 2005, Kevin Berthia spoke with Highway Patrol Officer Kevin Briggs for 92 minutes, ultimately prompting him to step back from the ledge instead of taking his own life.

Discovered in a Neolithic tomb in Italy, the Lovers of Valdaro are a pair of skeletons that have been holding each other for 6,000 years.

U.S. Intelligence Officer David Grusch said the military has been collecting unidentified foreign craft for "decades."

College basketball star Len Bias seemed destined to be the next Michael Jordan — then he died of cocaine-induced cardiac arrhythmia just two days after signing with the Boston Celtics in 1986.

Stretching hundreds of miles across the Western Front, millions of soldiers fought in trenches during World War I — with horrific physical and mental consequences.

The ancient cocktail was consumed by a cult dedicated to the deity Bes, who served as a protective spirit, particularly to mothers and children.

In 1978, Billy Milligan became the first person to successfully use multiple personality disorder as a legal defense, though the debate surrounding his condition turned the case into a hotly-debated spectacle.

After a year of robbing banks, John Dillinger died on July 22, 1934, when federal agents shot and killed him as he left a movie in Chicago, Illinois.

The bones belong to the gomphothere, a distant relative of modern elephants that roamed the earth for millions of years before being hunted to extinction 12,000 years ago.