* DeletedScene: Two. [[spoiler: The reason that Sarah survived is because her roommate gave her the invitation,]] and [[spoiler: Vannacutt leading Sarah's roommate to her death.]]
* DuelingMovies: With the same year's ''[[Film/TheHaunting1999 The Haunting]]'' remake. To the surprise of many, this film actually ended up being better-received and comparatively more profitable, despite the ''Haunting'' remake featuring a much larger budget and advertising campaign, and the backing of Creator/StevenSpielberg.
* HeyItsThatPlace: The roller coaster, "Terror Incognita", is actually ''Ride/TheIncredibleHulkCoaster'' at [[Ride/UniversalStudios Universal's Islands of Adventure]].