Historic woolly mammoth remains unearthed in New Mexico, Maya balls made of human ashes found in Mexico, ancient China's bronze recipe unlocked.

Taken by the likes of Rodney Alcala, Harvey Glatman, and the BTK Killer, these macabre photos show how some serial killers used photography to lure their victims and relive their horrifying crimes.

Fashionable Viking accessories found in Denmark, Depression-era cash hoard unearthed in New Jersey, giant-headed prehistoric amphibian discovered in Germany.

Archaeologists find Ice Age "ghost tracks" in Utah, Hitler's gold watch set to go to auction, Slovenian fires set off bombs from World War I.

"Monumental" Roman city uncovered in Spain, England's oldest shipwreck found in Dorset, decades-old murder case solved in New Jersey.

Iron Age skeletons found alongside animal sacrifices in England, Viking artifacts discovered among costume jewelry in Norway, and a hidden van Gogh uncovered in Scotland.

Human bone jewelry uncovered in Russia, pipe tomahawk returned to the Ponca tribe, giant prehistoric kangaroo found in Papua New Guinea.

Though historians know that Greek fire was a devastating incendiary weapon used by the Byzantines starting in the 7th century C.E., its recipe remains mysterious to this day.

For centuries, people across southern New Jersey and Delaware have supposedly encountered a horse-headed flying demon known as the Jersey Devil.

Simultaneously described as having a sweet aroma and smelling like raw sewage, durian is one of the world's most divisive foods and has been nicknamed the "king of fruits."

These unforgettable stories of Titanic survivors capture the bravery, horror, and grief of the disaster that left more than 1,500 people dead in the North Atlantic in April 1912.