Archaeologists have unearthed gruesome evidence of brutal Aztec rituals by uncovering 50 skulls and over 250 jaw bones at the Templo Mayor in Tenochtitlan (modern Mexico City).

Found at one sacrificial stone below a ceremonial platform called the "cuauhxicalco," the human remains date back more than 500 years and represent the largest number of skulls ever found in one offering.

Used in rituals associated with the worship of Mictlantecuhtli, god of death, the skulls were unearthed in different locations: 45 appeared to have just been dumped on top of the stone, while the remaining five were buried under it....