The Benton County Historical Society operates a historic railroad depot and the 1894 Queen Anne Frank G. Ray House. Between the 1930s and 1985, the main residential structure was divided into six apartments. The historical society is currently restoring the property to its original appearance.

The society offers tours of the Frank G. Ray House, depot tours, and educational programs. Reservations are required for educational programming and depot tours.

Nineteenth Century Willowbrook Village offers the opportunity for visitors to immerse themselves in 19th-century daily life. Sights include two historic houses; two historic barns; a reproduction schoolhouse and bandstand; an 1894 carousel; an 1849 Concord stagecoach; a 1945 multi-wing aircraft; and blacksmith, broom maker, cooper, harness maker, printer, woodworker, wheelwright, canoe building, ice harvesting, bicycle shop, machine shop, maple-sugaring, and cobbler displays.

The village offers exhibits, period rooms, group tours, guided student tours, curriculum-based student programs, outreach programs for students, picnic tables, and a cafe. Student tours may be scheduled for May through October. Educational programs are only available in May and June. Approximately 50 percent of the site is wheelchair accessible.

The Stately Oaks Plantation bills itself as the inspiration for Margaret Mitchell's classic Gone with the Wind and it’s easy to see why. This 19th century Southern plantation home is complete with costumed interpreters, a country store, and Civil War artifacts.

Guided or MP3 tours are available for groups as well as educational tours especially for students. Educational program topics include Native Americans and the Civil War.

The Watkins Woolen Mill State Historic Site is the last fully equipped 1860s woolen mill within the United States. The site displays the original equipment in the layout in which it was used to process wool into yarn or cloth. The site employed approximately 25 operatives, 10 weavers, and five apprentices from Swedish, English, Irish, French, German, and Canadian immigrant populations, as well as U.S. citizens.

The site offers mill tours, house tours, mill and house tours for students, 1870s living history demonstrations and activities, living history programs for students, a two-hour one-room schoolhouse program for students, outreach programs for students, interpretive trails, outdoor activities, and picnic facilities.

The 1816 neoclassical Tudor Place was built for Martha Custis Parker, Martha Washington's granddaughter, and her husband Thomas Peter. The site presents the governmental, business, and societal aspects of the Peters' lives, as well as the lives of their servants—both enslaved Africans and the English and Irish. Another interpretive focus is the development of Washington, DC, beginning in the 18th century. Collection highlights include 19th-century silver, porcelain, and more than 100 artifacts originally owned by George and Martha Washington. The five and a half acres of gardens largely retain their Federal era design.

The site offers period rooms, gardens, educational programs for students, a summer camp, guided house tours, and self-guided garden tours. Reservations are required for groups of 10 or more. Individuals with disabilities are encouraged to notify the staff of their visit in advance.

The Custer County Historical Society maintains a local history museum, focusing on 19th-century daily life in the county. Exhibits include a recreation of a pharmacy and general store.

The museum offers exhibits and research library access.

The Society manages and operates the state's Museum of History, which preserves and presents the history of the state. Exhibits include a Cheyenne tipi; a fully-stocked covered wagon ready for a trip on the Oregon Trail; a 1950s diner made by the Valentine Industries; and a locomotive made in 1880 for the Atchison, Topeka, and Santa Fe Railroad. In the same complex, the society maintains the 1847 Potawatomi Mission, once operated as a boarding school for children of the Potawatomi Indians, and the one-room Stach School, interpreted as it was in the 1910s and 1920s.

The society offers research library access and school tours to orient middle- and high-school students to the library; the museum offers exhibits, tours (including standards-based school tours), and occasional recreational and educational events. The mission offers tours, a small exhibit on Kansas missions, and a period classroom for school groups; the Stach School offers school tours and "Rural School Days"—four-hour programs for fourth- and fifth-grade students that introduce them to student life in 1920.

The Darwin Martin House State Historic Site preserves a 1905 house complex designed by Frank Lloyd Wright for the Larkin Soap Company executive Darwin Martin. The complex includes the main house, conservatory, garage-stable, and separate secondary house.

The house offers docent-led tours, year-round, by reservation only.

Black Hawk State Historic Site commemorates Native Americans of the area, particularly the Sauk and Mesquakie (Fox) Indians, who lived here from about 1750 to 1831. The Watch Tower Lodge, built between 1934 and 1942 by the Civilian Conservation Corps and the State of Illinois, houses Works Progress Administration murals and basement "nature rooms" are available for science activities with school groups. Exhibits in the John Hauberg Museum of Native American Life depict the daily life of the Sauk and Mesquakie Indian nations. Dioramas show the four seasons with a full-sized winter house, a replica of a summer long house, an authentic dugout canoe, and other objects relating to the Sauk and Mesquakie. Another exhibit describes the importance of the fur trade to the Native Americans. Also located in the Lodge is an exhibit outlining the 1934–1942 activities of the Civilian Conservation Corps in developing Black Hawk Park. Outside the lodge is a large statue of Black Hawk executed in 1892 by sculptor David Richards. The Lodge was listed on the National Register of Historic Places in 1985.

The site offers exhibits, tours, and occasional recreational and educational events.

The Northbrook Historical Society maintains a local history museum in its headquarters, the 1894 Northfield Inn. The lower level contains permanent exhibits, the main floor changing exhibits, and the top floor a recreation of an 1890s home.

The museum offers exhibits, a video tour, programs for school groups (grades 2-4), and research library access.