The Prison Museum Association (PMA) is a non-profit organization that supports the Burlington County Prison Museum through fundraising, volunteering, giving tours, and promoting this National Historic Landmark. Joining the PMA is a great way to help preserve a wonderful and important historic site. Cost of membership is $10 per year and entitles you to a quarterly newsletter, updates on events and meetings. Also, you will receive 10% off all gift shop purchases and FREE admission to the museum.