Classified for credit

Site of the bloodiest single day in American military history — Civil War tactics, strategy, and the political context of the 1862 Maryland Campaign.

NPS site preserving the theater where Lincoln was assassinated — covers Civil War era, presidential history, and Reconstruction with museum exhibits.

Living-history farm museum in Maryland covering 19th-century agricultural life — supports farm technology, animal husbandry, rural history, and seasonal crop science.

NPS canal park with towpath trails and restored lock infrastructure — covers 19th-century civil engineering, trade history, and Potomac River ecology.

184-mile historic canal with locks, aqueducts, and mule-powered towpath — covers 19th-century transportation engineering, westward commerce, and Civil War history.

Star-shaped 1812-era fort where the bombardment that inspired the national anthem took place — War of 1812 and U.S. civic history.

Aviation museum on the site of Glenn L. Martin's plant — covers Maryland aviation manufacturing history, aerospace engineering pioneers, and WWII aircraft production.

NPS park preserving Tubman's birthplace landscape and Underground Railroad routes — primary-source abolitionist history, civil rights, and Maryland geography.

Major Maryland history museum with collections spanning colonial through 20th-century history — supports Maryland state history and US history curriculum.

Civil War battlefield where Confederate forces threatened Washington D.C. — ranger-led programs cover military strategy, the war's Eastern Theater, and Maryland's divided loyalties.

Museum in Frederick, MD dedicated to Civil War medicine — covers period surgical techniques, public health, and battlefield triage as primary-source history.

Civil War museum at New Market Battlefield site in Virginia — covers the 1864 Shenandoah Valley campaign and VMI cadet involvement in primary-source context.

NPS working farm at Oxon Cove — covers 19th-century agricultural history, farm animal husbandry, and crop science with hands-on demonstrations.

Living-history farm museum in Harford County, MD demonstrating 19th-century rural crafts, agriculture, and Chesapeake-region heritage.

Regional museum in Cumberland covering Allegany County history including C&O Canal, coal mining, and Civil War — supports Maryland history and economic geography.

Jewish heritage museum in Washington, DC area — covers American Jewish history, civic life, and cultural contributions across two centuries.

Civil War museum at President Street Station covering the 1861 Baltimore riot and Maryland's role in the early war.

Museum at Baltimore's Locust Point documenting the immigrant experience through Ellis Island-era port of entry history.

Maryland's official museum of African American heritage in a 19th-century church — covers slavery, abolition, civil rights, and Black cultural history.

Memorial museum at the site of the 1814 Battle of North Point — covers the War of 1812, Baltimore's defense, and the origins of the Star-Spangled Banner.

Dedicated museum examining Civil War-era medicine, surgery, and field hospital practices — bridges history and the history of medical science.

National Historic Site preserving Clara Barton's home — covers Civil War nursing, Red Cross founding, and 19th-century women's history.

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

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