The H.H. Bennett Studio and History Center houses many of the original photographs, glass plate negatives, photography inventions, cameras, and pieces of equipment which belonged to Henry Hamilton Bennett (1843–1908), one of the most widely regarded landscape photographers of the 19th century and creator of the "instantaneous shutter." Bennett is also known for his photographs of the Ho-Chunk Native American population. The studio, founded in 1875, is thought to be the oldest operating photography studio in the United States.

The center offers exhibits and standards-based guided tours for school groups.

The Fulkerson Mansion and Farm Museum presents the cattle farm—Hazy Dell—and Southern-style Victorian mansion which became the home of Lt. Colonel William H. Fulkerson after his stint with the Confederate Army. Hazel Dell is virtually unchanged today; and the Farm Museum contains many rare agricultural items and equipment with emphasis on farm steam traction engines—utilized for plowing the prairie, threshing grain, and for powering early sawmills. The museum features Reeves steam engines and plows, while the 1866 mansion is furnished with antiques and artifacts of the period, with a special display of the Fulkerson's personal Civil War items, Lafayette Baker's Civil War artifacts, and the Thomas Lincoln Anvil. The building is in an Italianate style—with a low pitched roof and tall, narrow windows—popular between the 1850s and 1880s.

The site offers exhibits and tours of the mansion.

The site preserves surviving portions of the industrial complex developed in the early 1880s by George M. Pullman (1831–1897) to build luxury railroad passenger cars. The site, though under heavy reconstruction, features special interest tours of the factory site and regular temporary exhibits, and participates in or co-hosts a number of special events and cosponsors community programs for all ages and backgrounds.

The site offers research library access, exhibits, tours, lectures, workshops, and other educational and recreational events and programs.

One of the nation's best preserved Victorian-era homes, St. Paul's Ramsey House offers a glimpse into family and servant life in the 1870s, with the house decoration reflecting 1872–1900. Ramsey himself served as Minnesota Territorial Governor, mayor of St. Paul, second state governor, U.S. Senator, and Secretary of War under President Hayes.

The site offers tours by guides in period dress, lectures, and digitized pre-visit curricula.

Pío de Jesus Pico is one of California's most remarkable historical figures. He witnessed, shaped, and influenced nearly a century of California history in the 1800s. Pío Pico was the governor of California in 1832 and again in 1846 before and during the Mexican-American War. His adobe home at "El Ranchito" has been completely restored to how it appeared in the 1880s, letting visitors experience and celebrate his life and times. The five-acre park encompasses historic gardens and the beautiful restored adobe home of Pío Pico. A bell marks the original El Camino Real, which passed directly in front of the park during Pío Pico's time. The park was once part of Pío Pico’s 9,000 acre ranch, Rancho Paso de Bartolo. Visitors can enjoy the park with picnics, bird watching, and exploring the parks features, including a 15-room adobe with interpretive displays, an horno (bread oven), a dovecote, and a children's archaeological sand box.

The park offers exhibits; tours; educational programs; and recreational and educational events, including living history events.

Hagley Museum and Library collects, preserves, and interprets the unfolding history of American enterprise. Hagley is the site of the gunpowder works founded by E. I. du Pont in 1802. This example of early American industry includes restored mills, a workers' community, and the ancestral home and gardens of the du Pont family.

The museum offers exhibits, tours, educational programs, research library access, demonstrations, and recreational and educational events (including living history events).

The Herbert Hoover Presidential Library and Museum is a nationally recognized center for the study of 20th–century history and the American presidency, as well as offering exhibits relevant to the life of Herbert Hoover (1874–1964), 31st President of the United States.

The site offers exhibits, a research library, guided tours, and special events including concerts and reenactments. The website offers a variety of other online sources for students and educators, including lesson plans; games; digital image archives; digital copies of major Hoover documents; and information and activities focusing on the life of Laura Ingalls Wilder (1867–1957), pioneer and author of Little House in the Big Woods and its sequels.

The Society owns and maintains the Northwest Franklin County Historical Village and Museum. At the Village, visitors can walk into an 1850 period log cabin and see how people cooked, slept, washed, and entertained themselves; visit the 1890 Grandview School and imagine how it must have been to attend a one-room schoolhouse; visit the 1876 Colwell Church and admire the simple beauty of the worship area and altar; visit one of Hilliard's original train stations built in 1891 and step up to the Chesapeake & Ohio Caboose and see what life was for an early conductor; and walk into an 1870 barn and touch and explore the farm equipment of the period. At the 4,000-square-foot museum, visitors will see a blend of art and history exploring the growth of Northwest Franklin County.

The village and museum offer exhibits and tours; the society offers research library access.

The Tod Engine Foundation works towards the preservation of the history of the steel industry in Youngstown, Ohio. A big part of the foundation's focus is the preservation of the equipment used to manufacture steel. The Tod engine was a 260 ton rolling mill steam engine built in Youngstown that was central in one of the area's biggest steel plants. The foundation has recently completed the Tod Engine Heritage Park, a park in Youngstown housing the Tod engine and a small museum.

The heritage park offers exhibits regarding the steel industry and the Tod Engine. Volunteers can give visitors a sense of the importance of the Tod Engine. The website offers historical information regarding the steel industry and Tod Engine.

The Lower East Side Tenement Museum is located in a historic tenement that was home to roughly 7,000 people between 1863 and 1935. Today, the building stands as a historic museum, where visitors can tour the cramped living space and learn about the lives of past residents of the building.

The museum offers presentations, special events such as plays, art exhibits, and readings that represent the immigrant experience, and guided tours. The website offers a history of the site, along with lesson plans for students, visitor information, and a virtual tour of the museum.