Where is JFK's brain? This mystery has puzzled America since 1966, when the 35th president's brain suddenly went missing from the National Archives.

Elvis Presley was known for being extremely close with his mother Gladys Presley. So when she tragically died of a heart attack in 1958, he was never the same again.

First opened in 1970 and shut down in 2011, the Élan School was the "last resort" for parents of teens with behavioral problems — and allegedly a site of systemic abuse.

The 209 coins date back to between the third and fifth centuries and were minted across the Roman empire.

An unassuming tan 1968 Volkswagen Beetle, Ted Bundy's car played a pivotal role in his murder spree — and it may have been one of his best weapons.

For hundreds of years throughout the British Isles, mourning families hired sin eaters to "consume" their loved ones' unconfessed sins by eating a meal they had placed on the chest of the corpse.

A close study of topographical data from Spain's coasts may have revealed the lost Temple of Hercules Gaditanus in the Bay of Cádiz.

Batavia thrived as the spice market at the center of Dutch East India company — at the expense of its native population.

After a fire broke out at Madame Delphine LaLaurie's house in 1834, witnesses discovered a secret torture chamber where she had viciously beaten, starved, and killed countless enslaved people.

In Norse cosmology and mythology, the massive ash tree Yggdrasil is said to support the whole universe, from the underworld known as Hel to the heavenly realm of Asgard.

Researchers found trace remains of roundworm, tapeworm, whipworm, and pinworm in the cesspit beneath the toilet.