Classified for credit

Working shipyard museum in Bath covering wooden and iron shipbuilding history — combines maritime history with naval architecture and engineering.

State museum covering Maine's natural, cultural, and industrial history — strong hooks for geology, maritime history, and Maine's role in American industry.

Living-history farm museum in NH covering 18th–19th century agricultural practices, animal husbandry, and rural New England life.

Living-history ice-harvesting museum demonstrating 19th-century ice-cutting tools, cold-storage technology, and the pre-refrigeration New England economy.

Maine living-history center on a working farm with 19th-century programming — covers Civil War era, farm life, and New England history.

Narrow-gauge heritage railway museum with restored equipment and operating trains — covers railroad engineering history and Maine's lumber-transport economy.

19th-century commercial building turned local history museum covering Maine maritime trade and Kennebunk community heritage.

Museum dedicated to Deer Isle's granite quarrying industry — covers geology, industrial history, and 19th-century stone-cutting technology.

Well-preserved Civil War–era granite fort on the Penobscot River — covers 19th-century military engineering, coastal defense strategy, and Maine history.

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.

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

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

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

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

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

Reconstructed 18th-century fur-trading fort in Augusta, Maine — supports colonial American history, frontier trade economics, and early New England settlement.

Museum in Patten, ME documenting Maine's 19th-century logging industry with tools, camps, and equipment — covers forest industry history and early mechanical engineering.

Museum dedicated to Peary and MacMillan Arctic expeditions — covers polar exploration history, navigation, and Arctic geography.

Maine maritime museum in Searsport covering the Age of Sail, shipbuilding trades, and the social history of a 19th-century seafaring community.

FDR's summer home on Campobello Island — covers early 20th-century political history, the New Deal era, and US-Canada relations.

NPS international historic site marking the 1604 French settlement — covers early European colonization, U.S.-Canada border history, and cross-cultural contact.

Narrow-gauge heritage railroad preserving Maine's 2-foot rail history — covers railroad engineering history and 19th-century transportation.

Passamaquoddy tribal museum on Pleasant Point Reservation covering Indigenous history, language, and culture of the Waponahki people.

Regional history and decorative-arts museum in Saco, ME — covers York County history from colonial settlement through the industrial era.