5 Must-Visit Attractions for National Haunted House Day

by Patrick Clarke
Last updated: 8:00 PM ET, Wed October 12, 2016

Where: Philadelphia, Pennsylvania

Few settings are as scary on their own as a prison. And Terror Behind the Walls takes place inside of Eastern State Penitentiary, a former prison in Philadelphia.

Six haunted attractions highlight this creepy destination and in 2016 visitors are invited to complete The Hex Challenge, which will require them to explore half of a dozen secret rooms hidden throughout the attractions.

Not easily scared? Check out "Detritus," which will take guests through a pitch black cellblock dating back to the 19th century.

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