Picture: Night on the Eve of Ivan Kupala. Author: Henryk Siemiradzki.
Taken from http://en.wikipedia.org/wiki/File:Ivankupala.jpg
In Finland the mysterious will-o’-the-wisps were marking the treasure places to the owner of the fern flower.
Picture: The girls' divinations on Ivan Kupala night. Author: Ivan Ivanovich Sokolov.
Taken from http://uk.wikipedia.org/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Sokolov_kupala.jpg
Licensed under Public Domain via Wikimedia Commons.