Classified for credit

Oldest surviving church building in Pennsylvania (c. 1700), an NPS site documenting Swedish colonial settlement and early American religious history.

Dedicated to the Japanese American 442nd Regimental Combat Team — covers WWII history, civil rights, and wartime incarceration policy.

Preserved 18th-century New England tavern in Weston, MA — illustrates colonial commerce, social life, and the role of taverns in Revolutionary-era communities.

Trading post and museum in Monument Valley documenting Navajo culture, Goulding family history, and the film industry's ties to the Southwest.

Colonial-era home of a signer of the Declaration of Independence — primary-source American Revolution history and colonial Rhode Island civic life.

NPS monument preserving the fur-trade depot and Ojibwe heritage site — covers 18th-century commerce, Native diplomacy, and Great Lakes exploration.

Museum and archives documenting African American history and culture in Grand Rapids — primary-source civil-rights history and Michigan social studies.

Adirondack cottage where Ulysses S. Grant spent his final days writing his memoirs — covers Gilded Age history and Grant's Civil War legacy.

Adena culture burial mound with on-site museum — Native American archaeology, pre-Columbian history, and hands-on artifact study.

Heritage railway museum covering Great Northern and Cascade rail history — supports Pacific Northwest transportation history and basic railroad engineering concepts.

Museum in Omaha documenting African American history and contributions on the Great Plains — supports civil rights history, social studies, and Nebraska heritage.

Transportation museum with restored locomotives and railcars — covers Great Plains railroad expansion history and 19th–20th century mechanical engineering.

Iowa aviation history museum covering Great Plains-era military and civilian aircraft — supports aerospace history and WWII-era social studies.

Antebellum mansion that served as Sherman's HQ during the Civil War — covers Georgia campaign history and Reconstruction-era context.

Regional museum covering Mississippi Delta history including the Civil Rights era, blues culture, and agricultural heritage of the Delta region.

Revolutionary War battlefield (1781) with NPS visitor center and ranger walks — Southern campaign history.

Regional museum in Havre, MT covering Native American, homesteader, and frontier history of the Hi-Line — supports Montana territorial and railroad history.

Texas veterans museum with artifacts and oral history exhibits spanning WWI through present conflicts — covers military history and civic sacrifice.

NPS-preserved home of Founding Father Alexander Hamilton — covers early American government, the Federalist era, and biography.

Hammond Museum in North Salem, NY (despite CT listing) features Japanese stroll garden and cultural history exhibits — supports world cultures study.

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.

Antebellum house museum in Columbia, SC illustrating plantation-era domestic life, slavery, and Columbia's role in the Civil War.

Antebellum Columbia, SC mansion documenting elite Southern domestic life and Civil War–era social history through period furnishings and interpretation.

National monument encompassing the only free-flowing stretch of the Columbia River — covers Manhattan Project history, Cold War science, and river ecology.