The Adams County Historical Society seeks to preserve and share the history of Adams County, PA, and its people. To this end, the society operates a museum, located within the dormitory of the first U.S. Lutheran seminary, founded in 1826. The building later served as a Civil War hospital. Exhibit topics include iron works, social classes, pre-history, county development between 1745 and 1945, the Civil War and Battle of Gettysburg, mortuary equipment and mourning practices, religion, education, children's toys, furniture making, seminary history, and circa 1900 dorm life. Other holdings include more than 200,000 photographs and negatives, manuscripts, and county records.

The society offers exhibits, guided museum tours, guided behind-the-scenes tours, research library access, and research services. Appointments are required for all tours to ensure docent availability, with tours only being offered to groups of 10 or more. Students and members may use the research library free of charge. A fee is charged for research conducted upon request.

The Lambertville Historical Society is dedicated to preserving the history of Lambertville, New Jersey and the surrounding area. The society is headquartered in the James Wilson Marshall House. Today, the Marshall House serves as both a historic house museum, a local history museum, and a society archives.

The house offers guided tours by appointment, exhibits, and an archives. The society further offers walking tours of the town monthly during the summer months or by appointment. The website offers visitor information, an events calendar, an online exhibit, archival access, and a brief history of the town.

The Hanover Area Historical Society was founded in 1965 by local citizens in order to preserve the historical heritage of Hanover and the surrounding area. The society maintains two historic house museums, the Warehime-Myers Mansion and the Neahs House. The Neahs House is currently being converted into a local history museum.

Both houses offer guided tours on Saturdays or by appointment. The society also offers special events including concerts and walking tours, and local history exhibits are offered in the Neahs House. The website offers visitor information, brief histories of the two historic house museums, an events calendar, and an online version of the society newsletter.

From the museum website: "The Iroquois Indian Museum is an anthropological museum that uses art to educate and inspire." The museum is located in upstate New York, and explores the history of the Iroquois Indians from pre-history to the present day.

The museum offers exhibits and collections pertaining to Iroquois history, educational programs which conform to NYS learning standards, Iroquois Indian Museum Education Kits that are available for rental or purchase, a children's museum, guided tours, and special events that focus on one particular aspect of Iroquois history. The website offers visitor information, a calendar of events, and information regarding special programs.

The Kripplebush Schoolhouse was opened in 1957, and today gives visitors a glimpse into rural life in the mid 19th century. Immediately adjacent to the schoolhouse is the Junior order of Mechanics Lodge Hall.

The museum offers guided tours. The website offers basic visitor information and a brief history of the schoolhouse.

The Marple Historical Society is dedicated to preserving the heritage of Marple Township, which is located outside of Philadelphia, Pennsylvania. The society operates the Hilda Lucas Memorial Library and Museum, which contains exhibits on local history and a collection of historical artifacts, documents, and photographs.

The society offers exhibits in the Hilda Lucas Memorial Library and Museum as well as a lecture series. The website offers visitor information, historical information about Marple Township, and a photo gallery of historic Marple Township.

The Walt Whitman Birthplace State Historic Site presents the circa 1819 home in which Whitman was born, as well as information on his life. The home was built by Whitman's father and now contains 19th-century furnishings. Collections include more than 100 letters, artifacts, and archival materials. Walt Whitman (1819-1892) was a famous poet, often referred to as the father of free verse. His works contain aspects of both Transcendentalism and Realism, and he faced censure during his lifetime for the sexuality of his poems.

The site offers educational programs, an introductory film, guided tours, exhibits, and a picnic area.

The Dyckman House Park consists of a circa 1784 Dutch Colonial farmhouse, surrounded by a small park, in New York City. The site focuses on the years 1815 through 1820 and 1915 through 1916, referred to by the park as the "farm" and "city" periods of the property.

The park offers period rooms, guided tours, educational programs which meet state educational standards. Reservations are required for groups of ten or more. The website offers pre- and post-visit activities.

The Old Economy Village is located in western Pennsylvania and is known for being the third, and most successful, home of the Harmonists, a utopian society known for its religious devotion and economic prosperity. In particular, the Harmonists were an economic force in the textile industry and agriculture. Today, the Old Economy Village stands as a historic village, and is open to visitors during the spring, summer, and fall months.

The Old Economy Village offers guided tours, exhibits and special events in the visitor center, and occasional historic trade workshops. The website offers visitor information, historical information and a calendar of events. In order to contact Old Economy Village via email, use the "email" link located on the left side of the webpage.

The Bayonne Historical Society is dedicated to preserving the history of Bayonne, New Jersey. The society works in conjunction with other Bayonne area groups in order to help preserve historic landmarks throughout Bayonne and to put on events which focus on local history.

The society offers periodic group tours of nearby landmarks, presentations on topics in local history, and summer exhibits at the nearby Liberty State Park about local history. The website offers an events calendar and general information about the society.