Classified for credit

Museum and education center on Seminary Ridge at Gettysburg — covers the July 1 battle, Lutheran seminary wartime use, and the broader Gettysburg campaign.

Pittsburgh's flagship history museum covering Western Pennsylvania industrial and immigration history — supports labor history, regional civics, and American social studies.

Operating heritage steam railroad with restored 19th-century locomotives — covers railroad history, steam engineering, and the role of rail in American commerce.

Living-history Amish farm and village in Lancaster County — covers Plain community culture, 19th-century agrarian life, and religious heritage.

Iconic Gettysburg landmark where Pickett's Charge culminated — primary-source Civil War history, military tactics, and the turning point of the 1863 campaign.

Museum tracing Milton Hershey's life and the industrial history of chocolate — covers food science, labor history, and early 20th-century entrepreneurship.

Comprehensive Civil War museum with artifacts and exhibits covering causes, campaigns, and aftermath of the war from both Union and Confederate perspectives.

Gettysburg-based Civil War history tour operator offering guided experiences at the battlefield — primary-source military history and Reconstruction-era civics.

U.S. Army research and education center with artifacts, archives, and a 1-mile living-history trail covering American military history from the Revolution forward.

Revolutionary War encampment site with visitor center, preserved earthworks, and ranger programs — covers Continental Army history and the 1777–78 winter campaign.

Visitor center for Valley Forge National Historical Park — Revolutionary War winter encampment, Continental Army history, and founding-era civics.

Site of Washington's 1776 Delaware River crossing with living-history exhibits and ranger programs — covers Revolutionary War strategy and American founding history.

1719 Hans Herr House, oldest surviving Mennonite meeting house in the Americas — covers Colonial-era settlement and Pennsylvania German heritage.

Restored 18th-century apothecary in Moravian Bethlehem — covers colonial medicine, botany, and early pharmacy practice.

York-area agricultural and industrial artifacts document Pennsylvania's farming and manufacturing heritage from the 18th century forward.

NPS site preserving the Allegheny Portage Railroad — covers 19th-century engineering, canal-era transportation history, and westward expansion.

Museum documenting Swedish immigration and cultural contributions to America — supports immigration history and Scandinavian-American heritage.

Living-history and film experience introducing Amish culture, faith, and Plain community traditions in Lancaster County, Pennsylvania.

Pennsylvania state museum documenting anthracite coal mining — covers industrial history, geology, and immigrant labor in the Gilded Age.

Preserved Victorian mansion of railroad magnate Asa Packer — covers Gilded Age industrialism, Lehigh Valley railroad history, and 19th-century architecture.

Antebellum iron-industry mansion in Altoona — covers 19th-century industrial history, the iron trade, and Pennsylvania social history.

Gettysburg battlefield position where Confederate forces attacked on July 1, 1863 — covers Civil War tactics, terrain analysis, and primary-source military history.

Motorsports history museum covering racing technology and speedway heritage — supports mechanical engineering history and regional sports culture studies.

Restored colonial-era home of Betsy Ross in Philadelphia — covers Revolutionary War-era daily life, flag history, and early American civic identity.