The 21st Show explores the history behind some of Illinois’ spookiest places, from mysterious sightings in Galena to the superstitions behind the very bizarre design of a house in Bull Valley. 

On The 21st: Have you seen the Lake Michigan Sea Serpent or another one of Illinois' many fantastic beasts? Plus, we take a look at how students are being used as confidential informants on college campuses, and we get Halloween movie recommendations from the experts.