The 45-acre Fort Okanogan State Park is located on the site of the colony of Fort Okanogan, founded in 1811 by David Stuart of the Pacific Fur Company. The fort's name is derived from the name of the local Native American population, the Okinakane. In 1821, the fort changed ownership when purchased by the Hudson Bay Company. The site now includes an interpretive center. Topics addressed therein include the history of the fort and of the fur trade within the local area.

The park offers exhibits, group tours, trails, outdoor activities, and three picnic sites. Group tours are available by appointment only.

The Historical Society of Washington County seeks to preserve and share the Washington County, Virginia. To this end, the society operates a library with more than 1,000,000 available resources.

The society offers library access and research assistance. Payment is required for research assistance.

The Old Firehouse Museum presents the history of South Hadley, Connecticut; local industries; and local firefighting between 1899 and 1973, the years in which the firehouse was in active use by the area fire department. Permanent exhibits include an 1890s period room and a firefighting display. Collection highlights include a 1926 Dodge Fire Engine and two 19th-century hand pumpers.

The museum offers a period room and exhibits. The website offers oral histories.

The Island County Historic Society seeks to preserve and share the history of Island County, Washington from the Ice Age through the mid-20th century. Topics given particular emphasis include maritime history, Pacific Northwest Native American cultures, military history, and the settlers of 1853. Collections and archives number more than 19,000 items. The society operates a museum of local history, located on the former site of the 1870 Mother Fay’s Hotel.

The society offers exhibits, one-hour to 90-minute guided tours for students, library access, and research assistance. Research assistance requires payment of a fee. Two weeks advance notice is required for all visits by more than five individuals. Some student tours include pre-visit curriculum materials.

The Camden-Rockport Historical Society seeks to preserve and share the history of the Camden-Rockport area, Maine. To this end, the society operates the 1770 Cape Cod-style Conway House. The house is furnished in the style of the 18th and early 19th centuries. Other structures on site include an 18th-century barn, a blacksmith shop, an 1820 maple sugar house, an education center, and the Cramer Museum. Museum collections are particularly strong in historic costume and glass. Other artifacts include works of fine art, firearms, and musical instruments.

The society offers a day camp. The museum offers exhibits and a reference library. The Conway House offers period rooms.

The Lanier Mansion State Historic Site preserves the former home of James Franklin Doughty Lanier (1800-1881), bank president and railroad promoter. The site presents information on both Lanier and life during the 19th century. The structure itself was completed in 1844, and is Greek Revival in style. The grounds include replanted heritage gardens, reflecting the home's Post-Civil War landscaping.

The site offers guided tours, educational outreach programs, heritage gardens with historic plant varieties, and summer camps. Reservations are required for group tours and outreach programs.

The 70-acre Stan Hywet Hall and Gardens is a historic house museum. The Tudor Revival manor was built in 1912; and reflects the architecture of Charles S. Schneider (1874-1932), interior design of Hugo F. Huber, and landscaping of Warren H. Manning (1860-1938). Manning favored naturalistic, as opposed to heavily stylized, garden design. The residence is intended to be visually complementary to its surrounding environment. Guests who visited the estate owners, the Sieberlings, included Shirley Temple (born 1928) and Will Rogers (1879-1935). Other structures on site include the Gate Lodge, site of a conversation among Henrietta Seiberling and two men suffering from alcoholism which would determine the guiding principles of Alcoholics Anonymous, as well as a reproduction of the original greenhouse. The Lodge contains an exhibit on the founding of Alcoholics Anonymous.

The estate offers an exhibit, period rooms, gardens, self-guided manor tours, guided manor tours, other guided tours, educational programs for students, traveling trunks, educational outreach presentations, teacher's workshops, a children's club, Scout programs, and collections access. Appointments are required for collections access. Two weeks advance notice is required for group tours. Boxed lunches can be provided with five days advance notice.

The Hubbard County Historical Museum presents the history of Hubbard County, Minnesota. Permanent exhibits include Native American life, farming, logging, quilts, and rooms depicting a pioneer cabin and a one-room schoolhouse. Collection strengths include Civil War artifacts and textiles.

The museum offers exhibits, period rooms, group programs, and tours.

The Fort Assinniboine Historic Site preserves the site of what was once the largest military fort west of the Mississippi River, with 104 structures over 700,000 acres. Founded in 1879, the soldiers of Fort Assinniboine protected settlers from Sitting Bull's Lakota Sioux and other Native Americans. Other responsibilities included patrolling the U.S.-Canada border and preventing the Blackfoot Confederacy, Montana Indian Reservations, and Canadian Native Americans from acting against Euro-American settlers. The fort's location was selected as the nexus of several Native American trails. The site currently serves as an agricultural research center.

The site offers guided tours. Reservations are required for groups.

The Suquamish Museum presents the history and culture of the Puget Sound Salish Tribes—with particular emphasis granted the Suquamish Tribe. Collections include artifacts of daily life, more than 9,000 photographs and negatives, canoes, carvings, archival documents, and 150 oral histories.

The museum offers exhibits and guided tours. 48 hours notice is required for all guided tours.