To preserve and protect historically and architecturally significant buildings and places in Lancaster County or seek adaptive reuses for them.

Preserves and provides information on the history of the Moravian Church and settlements in the LeHigh Valley.

Provides information on the collection, conservation, and interpretation of Pennsylvania's historic heritage.

Works to preserve all aspects of the historical, educational, and cultural heritage of the northern York area. Offers events, speakers, classes, and many opportunities to participate or volunteer.

Offers the story of America's historic towpath canals in a museum that features four galleries filled with hands-on exhibits.

Operates a local musuem featuring the Herr House and Lancaster Longhouse landmarks. Visitors have an opportunity to learn history, experience a full-sized reproduction of a Native longhouse, and see other buildings and exhibits tracing the formation of Lancaster County.

Educates the public through special events and tours, collects and exhibits artifacts, and preserves historic sites within the City of Bethlehem and the Greater Lehigh Valley. Also offers an event venue.

A living history village of Pennsylvania Dutch life.

Promotes the hobby of model railroading and preserves historic railroading items. Conducts annual model railroad exhibits.

Promotes interest in the history of the community, identifies and preserves historic sites, teaches community heritage, and restores historical landmarks. Offers a historical museum and diorama.

Offers educational and social programs. Stores and classifies historic artifacts such as pictures, family genealogies, business records, and local artifacts.

Participates in a variety of historic projects in York County, Pennsylvania. Recognizes the importance of preserving history for future generations by working to preserve genealogical data and ancestry, supporting various historic sites in York, and celebrating commemorative events.

Dedicated to preserving the history of Northampton County, Pennsylvania. The Sigal Museum is home to the Jane S. Moyer Library, providing resources for students, scholars, and genealogical researchers.

Provides an opportunity for people to donate a commemorative brick engraved with their name, the name of a loved one, or the name of a business or organization in order to create a permanent remembrance along Gettysburg's Historic Pathway.

Provides both permanent and rotating collections of historic information, with exhibits and galleries featuring historical artifacts, photographs, and documents from the Society’s collection.

Offers museum exhibits, group tours, family craft days, supplemental activities for homeschooling programs, and classes in open hearth cooking, squirrel tail oven baking, spinning and weaving, quilting, and herb gardening.

Offers history of past generations of people who lived in Maytown and East Donegal Township, PA.

Offers collections, historic sites, and documentary resources to inspire people to explore the history and culture of York County, Pennsylvania. Seeks volunteers in the following positions: education, curatorial, library, administration, and special events.

Protects and promotes the historical heritage of the greater Hanover area while offering exhibits and speakers to educate the community about the heritage. Collects and maintains area artifacts for scheduled tours.

Preserves the historic architecture of Old Allentown and strives to build a sense of community.

The Franklin County Archives is dedicated to safeguarding and preserving its history and heritage as well as providing the public with access to the documents and records pertaining to the history, administration and operation of the County.

Offers environmental education programs, including environmental awareness programs

Conducts tours/public open houses from June through October and maintains the museum gift shop. Offers a variety of programs and events at the restored mill. Acquires, preserves, and protects Wallace-Cross Mill through partnerships, artifact collection, structural maintenance, and educational and exhibition activities for the interpretation of agricultural history and significance for individuals of all ages.

Assumes responsible stewardship of the historic and natural heritage of Lower Saucon Township.

Provides opportunities to connect with and explore the life of Edward Hand, the diverse communities and material culture of early Lancaster County, and the complex issues that shaped our nation in its formative years by preserving and interpreting Historic Rock Ford and its collections.