The parking structure was abandoned for nearly 50 years and had been used as an indoor junkyard prior to Erebus moving in. History Įrebus Haunted Attraction opened in 2000 in what was formerly an abandoned four-story parking garage in Pontiac, Michigan. It is not recommended for children under the age of 13. It held the Guinness World Record for largest walk-through haunted attraction from 2005 until 2009, when it lost the record to Cutting Edge Haunted House.
