Classified for credit

Walkable colonial-era district with preserved 18th-century architecture — covers Maryland colonial history, American Revolution, and civic geography.

DC History Center documents Washington DC's local and political history through archives and exhibits covering city planning, civil rights, and governance.

Preserved Baltimore rowhouse where Poe lived — covers 19th-century American literary history and biography.

One of Maryland's oldest mill towns — walkable historic district covering colonial commerce, Civil War history, and 19th-century industry.

Gilded Age estate and library with decorative arts and rare book collections — covers late-19th-century history and material culture.

Fire museum documenting the history of firefighting equipment, technology, and community fire services — applied history of public safety and engineering.

Civil War-era Union fort on the Potomac — preserves earthworks and artillery emplacements covering 19th-century coastal defense and military engineering.

NPS-managed fort on the Potomac River active from the Revolution through WWI — covers coastal defense engineering, military history, and Chesapeake geography.

Museum at George Washington Masonic National Memorial covering Freemasonry's role in American founding history and civic culture.

Former New Deal-era amusement park now a National Park Service arts center with historic carousel, studios, and cultural programming.

18th-century Georgian mansion in Annapolis — covers Colonial-era architecture, Maryland history, and the lives of planter-class families before the Revolution.

NPS historic site preserving a 18th-century Georgian mansion and slave quarters — covers colonial plantation life, slavery, and the history of a wealthy Baltimore County family.

NPS historic site preserving an 18th-century Maryland estate with working farm — covers plantation agriculture, gentry life, and early American history.

NPS-managed 18th-century plantation site in Maryland — covers Colonial-era plantation history, slavery, and tidewater agriculture.

Preservation organization with walking tours of 18th-century Annapolis — covers colonial, Revolutionary, and maritime history.

Historic Ellicott City preservation organization supporting the 19th-century mill town streetscape — covers industrial history and Maryland settlement.

Documented Colonial-era plantation on the Patuxent River covering 300 years of Maryland history including enslaved labor and Tidewater agriculture.

Visitor center for Maryland's first colonial capital — gateway to the living-history site covering 17th-century English settlement, colonial governance, and Chesapeake life.

Federal-period mansion on Johns Hopkins campus — covers early American domestic life, architecture, and Maryland gentry history.

Cultural center documenting African American history and heritage in Howard County — supports civil rights history and social studies.

Museum documenting Irish immigrant laborers who built the B&O Railroad — immigration history, labor history, and 19th-century industrial America.

Preserved Chesapeake Bay oyster-packing house covering the history of the oystering industry, aquaculture, and Tidewater regional economy.

Jefferson County local history museum covering the Civil War era, Harpers Ferry region, and West Virginia statehood.

Preserved historic Black schoolhouse documenting African American education, civil rights history, and community resilience in the Reconstruction and Jim Crow eras.