By CBS3 Staff

PHILADELPHIA (CBS) — Are you ready to get spooked? You can get a head start on Halloween with the return of an annual tradition.

Get ready to scream with the return of Terror Behind the Walls at Eastern State Penitentiary in Fairmount.

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It’s the largest haunted house in the country and the abandoned prison is full of zombies, ghouls and a few other surprises.

You can get in the Halloween spirit from now through Nov. 9.

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