A place south of Mexico City known as Isla de las Muñecas or the “Island of the Dolls” is filled with creepy dolls and is considered to be one of the most haunted places on earth.

Aztec priests believed that the tears of children could stop droughts. Some rituals included sacrificing children to serve their sun god, Huitzilopochtli.

A medieval manuscript known as Codex Gigas, or “The Devil’s Bible” contains a full-page portrait of Satan. People believe the manuscript contains the contract of a monk who sold his soul to Satan in the 13th century in order to escape execution.

A church known as The Sedlec Ossuary is decorated with over 40,000 human bones.

Catherine the Great loved her feet tickled. Her courts were filled with hired foot-ticklers.

Some alchemists used human brain matter in their elixirs. One alchemist, John French from the 1600s, would store brain matter in horse manure and then drink it.

The Mutter Museum displays various mutations, tumors, and anomalies of human anatomy.

Over the course of your life you’ll shed around 40 lbs of skin.

Studies have shown that the majority of office mugs contain traces of fecal matter. The main cause of this is shared kitchen sponges.

This tiny little guy has enough poison to kill 10 to 15 people.

Museo delle Anime del Purgatorio or the Museum of the Souls of Purgatory houses documents, signatures, and handprints of ‘souls’ supposedly stuck in purgatory.

The Italian island of Poveglia is said to be the most haunted place on earth and is completely off-limits to visitors.

18th century doctors believed that bloodletting was necessary to “balance” one’s health.

King Charles II drank alcohol mixed with pulverized human skulls. He called it “The Kings Drops”.

“Figging” is a practice wherein ginger root is inserted into the anus or vagina. And yes, it was peeled first.