The Aztec Death Whistle. If hell has a sound, I bet it sounds a lot like the Aztec Death Whistle. The Aztec Death Whistle sounds like a shriek of death mixed with howling wind. It's so unnerving, that ...

One of the most interesting but terrifying religious practices of Aztec culture was the Aztec death whistle. The skull-shaped ceramic instrument not only looks creepy-it also produces the most ...