Classified for credit

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.

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

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.

Early 18th-century stone house in Hagerstown area — colonial-era construction methods, frontier settlement, and Maryland regional history.

Museum in the home of NAACP president Lillie Carroll Jackson — covers Civil Rights Movement history and African American civic leadership in Baltimore.

Museum at Gallaudet University documenting Deaf culture, ASL history, and the founding of American Deaf education.

USNA museum with naval artifacts, ship models, and John Paul Jones exhibits — U.S. naval history, military science, and maritime technology.

Historic Old Post Office tower with museum exhibits on Washington DC's architectural and postal history — covers civic architecture and government history.

NPS trail linking War of 1812 battle sites in the Chesapeake region — covers the British campaign against Washington and Baltimore and the writing of the national anthem.

Home of Declaration of Independence signer Thomas Stone — covers Colonial-era history, the founding generation, and plantation life in Maryland.

Fire service history museum in Emmitsburg, MD — covers firefighting technology evolution, fire science basics, and community safety history.

Local history museum covering Mount Airy and Carroll County, Maryland — supports regional history and community studies curriculum.

Museum in the historic Berkeley Springs resort town covering the history of the oldest spa in the US and West Virginia's Morgan County.

Museum documenting Palestinian history, culture, and diaspora — supports world history, geography, and social studies units.

Gallery at the University of Maryland dedicated to philatelic history — covers postal history, graphic design history, geography, and social history through stamp collections.