Classified for credit

Philadelphia's Library Company, founded by Benjamin Franklin, holds rare books and documents — covers colonial intellectual history, literacy, and the Enlightenment.

National historic landmark Masonic Temple with ornate period lodge rooms and museum — covers fraternal history, American civic culture, and 19th-century architecture.

Auto museum documenting the history of the automobile and 20th-century American transportation technology.

Victorian-era mansion housing the Erie Art Museum — architectural and social history of Gilded Age Erie, PA.

Historic Germantown house and garden spanning 1690–1973 — covers colonial domestic life, abolitionist history, and architectural change over time.

Historical society preserving an iron furnace and lock-ridge site — covers 19th-century iron production, industrial history, and Pennsylvania canal systems.

National philatelic library and archive in a restored match factory — covers postal history, graphic arts history, and American social history through stamp design.

19th-century Greek Revival estate associated with Nicholas Biddle — Federal-era architecture, American banking history, and decorative arts.

19th-century estate in Girard, PA preserving the home of a prominent local family — covers Victorian domestic history and northwest Pennsylvania heritage.

Center dedicated to Pennsylvania German (Deutsch) heritage and language — covers immigration history, cultural studies, and regional American history.

Local historical society in Corry, PA preserving northwest Pennsylvania industrial and community history through artifacts and documents.

Small railroad station museum in the Poconos preserving local transportation history and early 20th-century rail community life.

Delaware County historical society with research library and exhibits covering Pennsylvania colonial and industrial history.

Local historical society preserving DuBois-area industrial and community history through documents, artifacts, and photographs.

Heritage center documenting African American history and community life in the Bethlehem, PA region.

Museum at Girard College covering 19th-century philanthropy, education history, and the founding of one of America's earliest boarding schools for orphans.

Home of Albert Gallatin, Secretary of the Treasury under Jefferson and Madison — covers early republic finance, diplomacy, and frontier settlement.

Local historical society in Harborcreek near Erie, PA — documents Great Lakes–area settlement and regional community history.

Preserved one-room schoolhouse museum in Pennsylvania — illustrates 19th-century rural education, local history, and daily life.

Local historical society in Palmerton, PA covering Lehigh Valley industrial and community heritage.

Historic building in Quakertown with local heritage exhibits — covers Bucks County Pennsylvania settlement history and 18th–19th century community life.

Historic fort site in Lebanon, PA — covers frontier defense, colonial-era settlement, and Pennsylvania military history.

Local historical society museum covering Mahanoy City and the anthracite coal region — supports Pennsylvania and labor history units.

Local historical society in Meyersdale covering Somerset County PA history including maple syrup heritage and coal industry — supports regional history units.