The Guanajuato Mummies are considered to be amongst the strangest and most horrifying in the world. Contorted faces on some of the mummies give credence to the belief that some of them were buried alive. That makes sense since there was a huge break of Cholera in Guanjuato, Mexico (1833). It led to rapid dehydration, no retention of fluids, and ultimately, some of them were burried alive and left to starve. In some rare cases, the person’s heart would thought to have stopped for a day and their family would decide to bury them, not knowing that they were still alive. That too explains some of the looks on these mummies.
You can go check them out at El Museo De Las Momias (The Mummies’ Museum)