7 Most Extreme Haunted Houses Across the U.S.

1. The House of Shock – New Orleans, Louisiana

2. Blood Manor – New York City, New York

3. Nightmare New England – Litchfield, New Hampshire

4. Terror Behind the Walls – Philadelphia, Pennsylvania

5. Erebus Haunted Attraction – Pontiac, Michigan

6. Fear Overload Scream Park – San Leandro, California

7. McKamey Manor – San Diego, California