This enormous "subterranean settlement" was equipped with an aqueduct designed not only to store and transport water, but also to cool these underground chambers so they could serve as a refuge from the summer heat.

Believed to hold the original stone tablets inscribed with the Ten Commandments, the Ark of the Covenant disappeared around 586 B.C.E., and its fate remains a mystery.

In the late 19th century, the Hatfields of West Virginia and the McCoys of Kentucky engaged in a bloody feud that killed members on both sides and sparked a legal battle that ended up in front of the U.S. Supreme Court.

The skeleton was found alongside a number of other objects from the Bronze Age, including flint and pottery fragments.

The private bath complex would have been used to impress guests, and it likely belonged to one of the leading figures in Pompeii society.

A prominent leader in the American civil rights movement, Martin Luther King Jr. was brutally murdered in Memphis, Tennessee on April 4, 1968.

While walking near a dune on New Zealand's Chatham Island, a family noticed wood sticking out of the sand — which turned out to be a traditional canoe known as a waka.

While trying to stop an Israeli bulldozer from demolishing Palestinian homes in the Gaza Strip city of Rafah in March 2003, American peace activist Rachel Corrie was struck down by the machine, and its operators claimed that they never saw her.

Stored in Turin, Italy since 1578, the Shroud of Turin seemingly bears the image of a crucified man — who some believe was Jesus of Nazareth.

The Biblical verse, from Deuteronomy 28:6, reads: "Blessed are you when you come in, and blessed are you when you go out."

A 45.52-carat deep-blue gemstone from India, the Hope Diamond is one of the world's most beautiful gems — but is it also cursed?