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.

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 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 Demuth Museum presents the life and art work of Charles Demuth (1883-1935), as well as his historic late 18th-century family home. Demuth developed the artistic style called Precisionism; and he primarily utilized watercolors and oils. Next door is the Demuth's tobacco shop, established 1770, making it the oldest tobacco shop in the United States. The shop operates as a retail business, and is not part of the museum.

The museum offers exhibits.

The Frick Art and Historical Center consists of the personal collections of Helen Clay Frick, daughter of Henry Clay Frick (1849-1919)—industrialist, steel tycoon, and major art connoisseur. The center includes the museum and Clayton, the Frick family's late Victorian home. The collection includes carriages, historic automobiles, and fine and decorative arts dating as far back as the Renaissance. Highlights include works by Jean-François Millet and an 1898 Panhard automobile.

The center offers themed tours of both the museum and Clayton, Act 48 educators' workshops, concerts, children's weekend workshops, summer camps, and more than 25 educational programs. The website offers lesson plans.

The State Museum of Pennsylvania covers all aspects of Pennsylvania history and holds significant collections, that relate to some of America's most seminal, well-known events as well as important historical individuals. From its outstanding Civil War exhibits, to notable artifacts representing the foundations of American industry as well as political history dating to the early republic, the State Museum is the only museum in the Commonwealth where the public can experience the full expanse of the state's heritage and its connections to the national experience.

The museum offers exhibits, tours, educational programs, planetarium shows, and occasional recreational and educational events.

The Society operates the Baldwin Reynolds House Museum. Built in 1843 and listed on the National Register of Historic Places, the house now displays artifacts from the Baldwin and Reynolds families, as well as other Crawford-area families; 23 rooms are on display, some outfitted to reflect their original use and others used for historical displays.

The society offers research library access and educational and recreational events; the museum offers exhibits and tours.

Graeme Park is a 42-acre historic park, featuring the Keith House, the only surviving residence of a Colonial Pennsylvania Governor. The mansion has remained virtually intact since the late 18th century.

The site offers tours, educational programs, and occasional recreational and educational events (including living history events).

Fort Ligonier is an on-site reconstruction of an early U.S. fort, which stood between 1758 and 1766. The fort withstood the years of the French and Indian War (1754-1763) and Pontiac's War (instigated 1763). In addition to the fort itself and numerous outlying structures, the site displays reconstructions of mid-1700s "Conestoga" wagons. No Conestoga wagons survive to this day. The replica wagons are based on historical accounts and archaeological evidence. A museum serves as the entry point to the fort. Collection highlights include pistols given to George Washington by the Marquis de Lafayette, 13 original French and Indian War era paintings, and a period room with 18th and early 19th-century furnishings.

The fort offers exhibits, an 8-minute introductory video, a gallery, a period room, living history activities, reenactments, guided tours, and a picnic area. Reservations are required for tours.

The Jacobsburg Historical Society preserves and interprets the historical Henry family estate, early industrial properties, and the family's gun and iron making heritage. Henrys not only produced firearms for all U.S. major conflicts from the Revolutionary War through the Civil War, but they were also the primary suppliers of rifles for the largest American business enterprise of the early 19th century, John Jacob Astor's American Fur Company. The Henry firearm became the most prominent weapon of the western frontier due to its durability, accuracy, and relatively low cost. The society operates the Pennsylvania Long Rifle Museum; the 1832 John Joseph Henry House; and the Nicholas Hawk Gun Shop, a reconstruction of an 1802 structure.

The society offers visitor center exhibits, a historic house museum, living history encampments, school programs, a monthly community lecture series, a youth history day camp, a number of publications, and early American gunsmithing courses.