Illustration of a haunted house scene (The Heart of Darkness)
Haunted Experiences

The Heart of Darkness

Prepare for an unforgettable night of terror at The Heart of Darkness, Iowa's longest-running haunted attraction. Spanning over 31,000 square feet, this immersive experience features 13 uniquely themed areas designed to test your courage. Beyond the main attraction, enjoy additional entertainment like a fog maze, live DJ, karaoke, and themed photo opportunities.

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What to Expect

Iowa's longest-running haunt with 13 themed zones.

Event Details

Duration

Varies by day (Thursdays 7 PM - 10 PM, Fridays & Saturdays 7 PM - 12 AM)

Ages

Not specified

Timed Entry

No

Organizer

Halloween Traditions LLC

Food & Drink

Pumpkin Patch Concessions, Alcoholic Beverages Available 21+

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Local Insight & Ratings

Scare Factor

👻 👻 👻 👻 👻 (5/5)

Family Friendly

👶 👶 👶 👶 👶 (2/5)

Best For

Thrill-seekers and horror enthusiasts

Vibe

Terrifying and immersive

Energy Level

High

Budget

$$

Photo Friendly

Yes, with designated photo ops

Weather Sensitivity

None (indoor attraction)

Location

The Heart of Darkness
5111 Osage Road
Waterloo, IA
50703

Know Before You Go

  • Pets: No pets allowed

Tips & Advice

  • Arrive early on Fridays and Saturdays, as ticket sales at the booth stop at 11 PM, and online sales are honored until closing.
  • Consider purchasing tickets online in advance, especially for weekend visits, to ensure entry and avoid potential sell-outs.
  • Check out the 'Open Lineage' attractions while waiting for your turn in the main haunt for additional entertainment.
  • Be aware that only credit/debit cards or online purchases are accepted; cash is not permitted.
  • If you plan to enjoy alcoholic beverages, remember that they are only available to those 21 and older.

Special Events & Promotions

  • Open Lineage Attractions while you wait
  • Zombie Photo Ops
  • Pumpkin Photo Ops
  • Karaoke
  • Monster Merch Shop

Quick Actions

Frequently Asked Questions

What are the operating hours?

The Heart of Darkness is open Thursdays from 7 PM to 10 PM, and Fridays and Saturdays from 7 PM to 12 AM.

What payment methods are accepted?

They exclusively accept credit/debit cards or online purchases; cash is not accepted.

Are there any age restrictions?

The event does not specify age restrictions, but it is a haunted attraction and may be too intense for young children.

Can I purchase tickets at the venue?

Yes, tickets can be purchased at the venue, but sales at the ticket booth stop at 11 PM on Fridays and Saturdays.

Is there food and drink available?

Yes, they offer Pumpkin Patch Concessions and alcoholic beverages for guests aged 21 and over.

Tags

haunted househalloween festivalfamily friendlyfog mazelive musiccostume contest

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Always check the official website for the most current information.

We've done our best to keep details up-to-date, but event schedules, prices, and policies can change. For the latest updates, please visit the official website or contact the organizers directly.

Contributors & Updates

Last Updated: Sep 3, 2026
Original Submitter: Sep 17, 2025 The Halloween Events Near Me editorial team