Photo: Courtesy of the property

Missouri: The Elms Hotel & Spa

The Elms Hotel & Spa in Missouri is sure to spook you out. Guests at the hotel are said to have seen the ghost of a gambler who was involved in illegal activities during the Prohibition era, as well as the ghost of a former housekeeper. No one knows how many ghosts actually take up residence at the hotel, but you can check-in for the night to find out for yourself.