Aztec “skull whistles” found in ancient gravesites were designed to produce shrieking sounds and instil “otherworldly” fear ...

Ritual Aztec whistles produced a brain-scrambling "scream," according to a new study. The objects were used during human sacrifices and may have prepared victims for their supposed descent to ...

Others think they may be relics from the legendary island of Atlantis or proof that extraterrestrials visited the Aztec sometime before the Spanish conquest. Stories about the skulls focus heavily ...

Tales of a tower of skulls that struck fear into the hearts ... that’s lasted over five years - advancing knowledge of the Aztec people in the process. Video by Howard Timberlake The Travel ...