Britain's Coin wishing tree…People believed that a person suffering from an illness could hammer a coin into a tree trunks and the tree would take the illness away, but if someone removed the coin, they themselves would become ill.
Bicephalic or tricephalic animals are the only type of multi-headed creatures seen in the real world and form by the same process as conjoined twins: they all result from the failed separation of monozygotic twins. One extreme example of this is the condition of craniopagus parasiticus, whereby a fully developed body has a parasitic twin head joined at the skull.
"The Headless Woman" Carnival Sideshow - This was a pretty common sideshow at state fairs back in the along with the other standards. The girl who turns into a gorilla. The South American Giant Rats (Capybaras) and assorted animal and human anomalies.