The Society's Museum has a collection of approximately 15,000 artifacts and pieces relative to the history of Ocean Grove, the Holiness Movement, camp meetings, Methodism, Monmouth County, and 19th-century life. The Museum is dedicated to preserving the history of Ocean Grove, recording the history of camp meetings, and to recording aspects of the Victorian Age. The 1879 Centennial Cottage serves as the Society's living history museum. Visitors to the cottage gain an understanding of life in a 19th-century camp meeting and seaside resort community.

The society offers tours, lectures, and research library access; the museum and cottage offer exhibits, tours, and occasional recreational and educational events.

The Gloria Dei Church National Historic Site consists of Gloria Dei, also known as the Old Swedes' Church. The structure is the oldest church in Pennsylvania, having been completed in 1700. Nils Collins, pastor between 1784 and 1831, was a friend of Benjamin Franklin's. The cemetery includes the interment site of Alexander Wilson (1766-1813), known as the father of American ornithology.

The site offers exhibits and self-guided tours of the interior and cemetery. The website offers a cemetery guide. The church retains an active religious community. For this reason, the site may be closed to the public for religious services and ceremonies.

The Deshler-Morris House, or Germantown White House, is the oldest official presidential residence. It was utilized by George Washington during the 1793 Philadelphia outbreak of Yellow Fever and the following summer.

The house offers exhibits and period rooms.

The Women's Rights National Historical Park is located in Seneca Falls, New York, and marks the site of the first public convention on women's rights. Elizabeth Cady Stanton and four other women called the convention in 1848. The park features a visitor center and is also home to a stop on the Underground Railroad, which is now open to visitors.

The park offers guided tours, exhibits, field trip programs, and special events. The website offers visitor information, historical information regarding the park, a calendar of events, and sample lesson plans and curriculum guides for teachers. In order to contact the park via email, use the "contact us" link located on the left side of the webpage.

The Thomas T. Taber Museum presents the history of the Lycoming County, Pennsylvania area between Native American predominance and the 20th century. Exhibits address Native American life, fine and decorative arts, and area geology, among other topics. Period rooms depict 19th century life. Highlights include more than 300 toy trains.

The museum offers exhibits, period rooms, 90-minute guided tours for students, and a summer day camp. Students taking the guided tour should bring their lunches. Activities and demonstrations can be added to student tours.

In 1778, General George Washington ordered Fort Mifflin, built in 1777, to hold off the British Navy while the Continental Army traveled to its encampment site at Valley Forge. While the Continental soldiers were eventually forced to abandon the fort, Washington and his troops were able to reach their destination thanks to the soldiers' efforts. Since, the fort has served as a War of 1812 garrison, Civil War prison, and a munitions depot for both World Wars. Today, the fort contains 14 restored structures, the originals of which were built between 1778 and 1815.

The fort offers tours; weapons demonstrations; cannon firings; overnight Scout programs; and educational programs on the U.S. flag, the Revolutionary War, and the Civil War.

The Edgar Allan Poe National Historic Site preserves one of author Edgar Allan Poe's homes. The site presents information on Poe and his historical context and the influence of Poe's writings on other authors, including today's masters of horror in film and literature. Poe (1809-1849) is credited with creating the detective fiction genre, as well as being an early writer of American short stories. He is classified as a Romantic author; and his poetry, short stories, and novels lean toward the macabre. Famous works include "The Raven," "The Black Cat," "The Masque of the Red Death," "The Murders in the Rue Morgue," "The Tell-Tale Heart," and "Annabel Lee."

The site offers an 8-minute biographical audio-visual presentation, exhibits, period rooms, self-guided tours, guided tours, audio samples of famous actors narrating Poe and Poe's work set to music, and Junior Ranger activities. Reservations are required for all school groups. The website offers a teacher's handbook and additional educator resources.

The William H. Seward House preserves four generations (1816-1951) of artifacts of daily life; and presents the life of William H. Seward (1801-1872), Governor of New York, U.S. Senator, Secretary of State under Abraham Lincoln and Andrew Johnson, abolitionist, and organizer of the Republican Party. Seward was involved in the writing process of, and signed, the 1863 Emancipation Proclamation. The 1816 structure itself is Federal and Tuscan in style.

The house offers period rooms, tours, and brown bag lectures. Advance notification is required for groups of 10 or more.

The Thaddeus Kosciuszko National Memorial consists of the home of the Polish head engineer of the United States' Continental Army, Thaddeus Kosciuszko (1746-1817). The majority of the house is dedicated to exhibits concerning Kosciuzko's life and career. However, one room has been furnished in period style. Visitors to the home during Kosciuzko's life included Benjamin Rush, Thomas Jefferson, and Chief Little Turtle; and in his will, Kosciuszko asked that his property in the United States be sold to purchase the freedom and education of slaves.

The memorial offers an eight-minute introductory audio-visual program, exhibits, a period room traveling trunks, and Junior Ranger activities.

The Niagara County Historical Society owns and operates the Historical Museum at Lockport, a local history museum which chronicles the history of life in American and Niagara County over the last 175 years. The museum is composed of seven distinct buildings with the Outwater House serves as the main portion of the museum. There are also three other historic house museums, a fire house, transportation building, and barn.

The museum offers exhibits and historic house museums. Guided tours are available by appointment. The museum also contains a library, which is open on the weekends year round. The website offers visitor information, and brief histories of all of the buildings which comprise the museum.