Classified for credit

Audubon Society coastal sanctuary on Georgetown Peninsula — shorebird and migratory species observation, tidal ecology, and conservation biology.

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.

LC Bates Museum in Hinckley, ME houses natural history specimens and cultural artifacts — supports zoology, geology, and natural history studies.

Maine state park headquarters at Lake George — covers freshwater lake ecology, Maine wildlife, and outdoor recreation education.

Maine state park with lake, trails, and camping — supports ecology, freshwater biology, and outdoor education fieldwork.

Coastal Maine state park on Frenchman Bay with tidal shoreline and forest trails — ecology, coastal geography, and outdoor PE.

Coastal farm preserve with salt marsh and upland habitat — covers estuary ecology, land conservation, and coastal biology.

Remote Maine state park on Moosehead Lake — covers boreal forest ecology, lake biology, and wilderness skills in a pristine northern environment.

Island state park accessible by causeway — Maine coastal forest and intertidal ecology, with trails and Casco Bay geography.

Land trust conservation center with trails and working farm — covers land stewardship, ecology, and agricultural science.

Maine Audubon's Gilsland Farm sanctuary with trails, wildlife gardens, and an environmental education center — covers bird biology, wetland ecology, and conservation.

National wildlife refuge protecting nesting seabird colonies and coastal habitat — covers marine ecology, migratory bird biology, and coastal geography.

NWR visitor center focused on Maine coastal island ecosystems — covers seabird biology, island ecology, and conservation management of Atlantic coastal habitats.

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.

Lakes Environmental Association science center focused on freshwater lake monitoring — covers limnology, water chemistry, and citizen-science data collection.

Museum in Rockland, ME housing the largest collection of lighthouse artifacts in the U.S. — covers Fresnel lens optics, lighthouse engineering, and maritime navigation history.

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.

Mill museum in a historic Lewiston textile mill complex — covers industrial machinery, textile manufacturing processes, and New England mill-town labor history.