Classified for credit

Colonial-era fort on the Maine coast used from the French and Indian War through WWI — covers military history, fortification design, and coastal geography.

Maine state park with a Civil War-era fort and lighthouse on Penobscot Bay — covers 19th-century coastal defense, maritime history, and Fresnel lens optics.

Partially preserved Civil War-era coastal fort at the mouth of the Kennebec River — covers 19th-century military engineering and coastal defense history.

Reconstructed 17th-century English colonial fort on the Maine coast — covers early colonial settlement, Anglo-Wabanaki conflicts, and frontier military life.

National monument at the birthplace and homestead of Frances Perkins, first female U.S. Cabinet secretary — covers New Deal labor history and women's civic leadership.

Home where Harriet Beecher Stowe wrote Uncle Tom's Cabin — connects abolitionist literature, antebellum social history, and the causes of the Civil War.

Historic 1931 suspension bridge adjacent to Fort Knox State Historic Site on the Penobscot River — supports bridge engineering history alongside 19th-century military fortification study.

Fire museum in a historic firehouse covering firefighting equipment history, fire safety, and community service roles.

Preserved home of Civil War general Joshua Chamberlain — covers the Battle of Gettysburg, Maine's military history, and Reconstruction-era politics.

Remnants of a 19th-century iron furnace in a remote ME state historic site — covers charcoal iron production, industrial history, and early Maine industry.

Well-preserved 19th-century coastal New England village — maritime history, Colonial-era architecture, and Maine social history.

Small museum covering Kittery's shipbuilding heritage and the Portsmouth Naval Shipyard — U.S. naval history from the Revolution through the 20th century.

Historic home and museum of General Henry Knox — covers Revolutionary War leadership, early American military history, and Federal-period domestic life.

Living-history site documenting Maine's 19th-century logging and forest industry — covers timber technology, labor history, and land use.

Maine Historical Society with the preserved Wadsworth-Longfellow House — 19th-century domestic history, American literature, and primary-source archives.

Permanent and rotating exhibits document Jewish history, culture, and heritage in Maine and the broader American immigrant experience.

Maine military museum covering the state's role in U.S. conflicts from the Civil War through modern era with artifacts and primary-source exhibits.

Historic 1832 lighthouse with small museum on the St. George Peninsula — covers Maine maritime history, lighthouse keeper life, and coastal navigation.

18th-century Georgian merchant house in Portsmouth, NH — Colonial-era domestic life, merchant trade history, and period architecture.

Island museum combining maritime art and Monhegan Island history — covers Maine coastal heritage, lighthouse history, and artists' colony documentation.

Maine lake steamboat museum centered on the SS Katahdin — covers 19th-century freshwater transportation, steam propulsion history, and Moosehead Lake regional heritage.

Historic stone observation tower atop Mt. Battie in Camden Hills State Park — covers Maine coastal history, navigational geography, and panoramic landscape reading.

Federal-style mansion documenting late 18th–early 19th century merchant wealth, architecture, and maritime commerce in coastal Maine.

Preserved 19th-century blacksmith shop — covers colonial-era iron craft, metallurgy basics, and Maine's trade history.