In August 1964, the U.S. entered the Vietnam War based on reports of an unprovoked attack in the Gulf of Tonkin — which the president knew were false.

No one knows what happens when we die, but here's what experts have gleaned from history and some near-death survivors who said they glimpsed the other side.

With the head of a jackal and the body of a human, Anubis was the deity of death and mummification in ancient Egypt who accompanied kings in the afterlife.

Paul Bateson was sentenced to 20 years in prison for the murder of Addison Verrill, but he also allegedly confessed to killing and dismembering six other men in 1970s New York.

The North Vietnamese called it the Hỏa Lò prison, while American POWs ironically dubbed it the "Hanoi Hilton." Hundreds were tortured there with meat hooks and iron chains — including John McCain.

Known for being a fearsome crime boss, Ellsworth Raymond "Bumpy" Johnson ruled the Harlem neighborhood of New York City in the mid-20th century.

"It was weird," said Morgan Geyser of the Slender Man stabbing of Payton Leutner. "I felt no remorse. I thought I would... I actually felt nothing."

If Giulia Tofana's confessions are to be believed, then the lethal potion maker is among the most prolific serial killers in history.

From Woodstock '69 to Woodstock '99, these are the music festivals that defined their generations.

Based in Tombstone, Arizona, C.S. Fly documented the peace treaty between Apache Chief Geronimo and the U.S. Army in 1886, as well as other iconic moments of the Old West.