American cryptologist Elizebeth Smith Friedman cracked codes during World War I, Prohibition, and World War II — but her accomplishments weren’t revealed until after her death.

Molly Sampson has been searching for shark teeth since she could walk, but the megalodon tooth is her biggest find yet.

James Callender published exposés on founding fathers like Alexander Hamilton and publicized reports of Thomas Jefferson's rape of the enslaved Sally Hemings — then he drowned under mysterious circumstances.

The House of the Vettii was buried by the eruption of Mount Vesuvius in 79 C.E. but has been restored to its former glory after 20 years of meticulous restoration work.

Though some ancient Norse legends portray Freydís Eiríksdóttir as a fearless warrior, others cast her as a merciless murderess.

The Nazi treasure map suggests that fleeing German soldiers buried a cache of gold, silver, jewels, watches, and other riches somewhere near the Dutch village of Ommeren.

Fans and fellow writers were shocked to learn that Susan Meachen died by suicide in 2020, but Meachen just resurfaced on Facebook and admitted that she's still alive.

Teddy Roosevelt survived childhood asthma, a carriage crash, a tropical disease, and even an assassination attempt in 1912 before dying quietly in his sleep at the age of 60.

Because the bones have cut marks, researchers suggest that the colonists ate the dogs during a period of severe famine.

Megan Hess and her mother operated a funeral home in Montrose, Colorado — but they secretly sold body parts behind the scenes.

Ann Marie Burr disappeared from her bedroom one night in 1961 — while living in the same Tacoma, Washington neighborhood as 14-year-old Ted Bundy.