The Heart of Darkness
The Heart of Darkness is a Haunted Attraction located in Waterloo, IA.
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Address: 5111 Osage Road, Waterloo, IA 50703
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The above information was gathered from research conducted by The Scare Factor and, occasionally, provided by the attractions themselves. Some details are subject to change without our knowledge. Be sure to verify all information with the attraction directly before making travel arrangements. All attraction logos and promotional images are their property, unless otherwise specified.