Filoli, a country estate built in 1915, operates today as a historic house museum. Visitors can also explore the gardens surrounding the house.

Filoli offers exhibits; recreational and educational events and programs including tours, classes, and nature hikes; and tours for school groups. The website offers visitor information, an events calendar, information on upcoming educational events, and virtual tours of the house and gardens.

This Federal-style mansion contains a family collection that spans five generations. Visitors can see artifacts from near and far, hear the stories of the Phillips family, and experience over 200 years of history in the New England tradition.

The house offers tours.

Ventfort Hall is an Elizabethan-style mansion built in 1893 for Sarah Morgan, the sister of J. P. Morgan. Designed by the architects Rotch and Tilden, it is located in Lenox, Massachusetts, and is listed on the National Register of Historic Places. The home is also home to the Museum of the Gilded Age. Currently, the home is partially restored, and contains exhibits, presentations, and special events that give visitors a view into life during the Gilded Age.

The mansion and museum offer concerts, tours, exhibits, and presentations. The website offers a history of the mansion, along with visitor information and an events calendar.

The Caldwell Birthplace is a historic house museum showcasing the birthplace of famous author Erskine Caldwell. In addition to being preserved in its condition at the time of Caldwell's birth, the museum offers books written by and about Erskine Caldwell, items that belonged to Caldwell or his parents, and photographs from various period of his life.

The museum is open on weekends and offers self-guided tours. The website offers visitor information and recent news regarding the museum.

The Society operates the Historical Center, in the 1913 Second Ward Savings Bank building, as well as several historical sites, including Trimborn Farm, Jeremiah Curtin House, Lowell Damon House, and Kilbourntown House. Trimborn farm lets visitors take a giant step back into pioneer times. They can delve into Victorian-era industry, reminisce about 19th-century farm life, and witness Wisconsin culture come to life as embodied by the immigrant entrepreneur Werner Trimborn, his family, and his employees. With help from a stone mason, Irish immigrant David Curtin built the first-of-its-kind stone Jeremiah Curtin House in the Old Town of Greenfield in 1846. Started in 1844 by Oliver Damon and completed in 1847 by his son Lowell, the Lowell Damon House is Wauwatosa's oldest residence and stands as a classic example of a colonial home. Built in 1844 by Benjamin Church, Kilbourntown House was originally located in the area of Milwaukee known as Kilbourntown. This building was moved to Estabrook Park in 1938 and serves as a fine example of Greek Revival architecture.

The society offers research library access, lectures, and occasional recreational and educational events; the Center offers exhibits and tours; the Farm offers tours and occasional recreational and educational events (including living history events); the Jeremiah Curtin House offers tours; the Lowell Damon House offers tours; Kilbourntown House offers tours.

The Umpqua Lighthouse State Park offers tours of the 1894 lighthouse and an adjacent museum.

The park offers a lighthouse museum that showcases the history of the lighthouse, guided tours of the lighthouse, and a variety of outdoor activities. The website offers visitor information, a downloadable map, and a brief history of the site.

The Jacksonville Historical Society preserves the history of Jacksonville, Florida, and operates the 1886 Queen Anne-style Merrill House, which today serves as a historic house museum.

The society offers periodic guided tours of Jacksonville as well as a bookstore and a collection of photographs. The Merrill House is open year-round for tours and can accommodate groups by appointment. The website offers visitor information and histories of Jacksonville, the Merrill House, and the society, as well as special features which highlight particular aspects of Jacksonville's history.

The Society operates a museum housed inside a wooden New York Central Railroad freight station located along the old "Auburn Road" line in Shortsville, New York. The freight station was built around 1900 and was used as a church and a machine shop before the Society purchased it in October 2001; today, it displays exhibits exploring the history of the Lehigh Valley Railroad.

The museum offers exhibits.

The W.W. Mayo House was home to both the Mayo and Cosgrove families, who would go on to found the Mayo Clinic and Green Giant Food Company respectively. The home was hand-built by W.W. Mayo in 1859, and today is open as a fully restored historic house museum.

The home offers tours by costumed guides. The website offers a brief history of the home and visitor information.

The San Diego County Sheriff's Museum is dedicated to preserving and showcasing the history of the San Diego County Sheriff's office and promoting its modern day activities and achievements.

The museum offers exhibits. The website offers six virtual exhibits, along with visitor information and an events calendar.