Terror Behind the Walls is Closed for 2020 Night Tours are now open on select nights.

Terror Behind the Walls, our annual haunted attraction, is cancelled this year due to COVID-19.

Instead, we’re offering small-scale, historical Night Tours, select evenings this fall.

Buy Now & Save On Tickets!

Skip to main content

Party at the Pen: The Masquerade

Due to ongoing public health concerns related to the novel coronavirus, and with the safety of our visitors and staff in mind, we have made the difficult decision to cancel this year's Party at the Pen: The Masquerade.

In the meantime, we're dreaming up other ways to connect with you, so keep an eye on the TBTW FacebookTwitter, and Instagram accounts for more.

It's back.

By popular demand, Party at the Pen: The Masquerade, presented by Terror Behind the Walls, will return in May 2020. Expect luscious libations, mind-blowing beats, and intriguing adventures.

Gates will open, cell doors close. Are you daring enough to join us for this soiree of a lifetime?

Dance. Drink. Explore.

When:
Friday, May 8, 9:00 pm - 12:30 am 
Saturday, May 9, 9:00 pm - 12:30 am 

Where:
Eastern State Penitentiary
2027 Fairmount Avenue
Philadelphia, PA 19130

Attire:
Creative cocktail attire.
Masks encouraged.

Admission Includes:
Beer, wine, and specialty cocktails
Light fare
Live entertainment
Mysterious adventures... if you dare.

Friday, May 8 - available now
Saturday, May 9 - available now

Tickets are limited. Available online only.

Members get more! Eastern State members will receive an exclusive skull tankard and glowing ice cube when they arrive at The Masquerade to use for the evening and take home. Not a Member? Learn more!

All attendees must be 21 years of age or older. A valid photo ID is required for entry.

Ticket proceeds benefit preservation efforts at this National Historic Landmark. A portion of your admission is tax-deductible. A receipt will be issued with ticket purchase.

Masquerade Sponsor Logos