Erebus haunted attraction
United States
Erebus is a four-story haunted attraction located in Pontiac, Michigan, open seasonally for Halloween. 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. It is not recommended for children under 13.
AmusementPark data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).