THE most Out-of-Control Halloween party in Hollywood–MAYHEM MANOR at BOULEVARD3 | This Halloween, enter at your own risk into Hollywood’s most haunted manor house. Built in the early 1900’s, the Boulevard3 Manor is notorious as one of Hollywood’s most haunted sites renowned for its unexplained happenings, dark secrets and paranormal activity. Enter at your own risk as we meddle with your mind as you party in the Manor’s scariest corners. Down some liquid courage in the Garden of Ghouls before descending into the Ballroom that has the hottest dance floor in LA! Be prepared to dance, drink, and scream like you never have before!!