Stratford Hall, home of the Lee family and birthplace of Robert E. Lee, was built by Thomas Lee in the late 1730s. Today, it is furnished with an outstanding collection of predominantly 18th-century American and English decorative arts.

The site offers exhibits, tours, educational program, workshops, research library access, and occasional recreational and educational events (including living history events).

Rock Hall is an exceptional example of 18th-century high-style architecture. Built for Loyalist Josiah Martin in 1767, Georgian/Federal interiors and furnishings evoke the lifestyle of a wealthy merchant.

The site offers tours.

The 18th-century Sherwood-Jayne house is located in a bucolic setting with sheep grazing in the adjoining pasture. Hand-painted floral wall frescoes imitating expensive wallpaper decorate the east parlor. The property has retained its 19th-century agrarian context—hayfields, meadows, woodlot, and orchard.

The site offers tours and educational programs.

Sag Harbor became a United States port of entry in 1789, with a growing population involved in servicing whalers, coasters, and West Indian trade ships. The Custom House was owned by Sag Harbor's first United States Custom Master, Henry Packer Dering. The daily activities of Dering, his wife, and nine children are vividly portrayed in the room settings of a formal dinner, office, children's room, kitchen, pantry, and laundry.

The house offers tours and educational programs.

Lloyd Manor, built in 1766, is a handsome structure with fine interior woodwork by Connecticut craftsmen. Located in a spectacular setting overlooking Lloyd harbor, the grounds contain a formal garden. The house is furnished to the 1793 inventory of John Lloyd II. Lloyd Manor was the home of Jupiter Hammon, a slave who became the first published black poet. Interpretive exhibits provide the history and documentation for the installation.

The site offers exhibits, tours, and educational programs.

The Stabler-Leadbeater Apothecary Museum, one of the oldest pharmacies in the nation, exists today to promote a greater understanding of historic public health issues; inspire people with the values of Quaker founder, Edward Stabler; and engage the visitor in an appreciation of local and national history by sharing the story of this business and family's profound effect on the community in such diverse areas as education and the abolition of slavery.

The site offers exhibits.

The Redwood Library and Athenæum is the oldest lending library in America, and the oldest library building in continuous use in the country. Founded in 1747 by 46 proprietors upon the principle of "having nothing in view but the good of mankind," its mission continues over 250 years later.

The library offers tours, exhibits, and all standard library services (including recreational and educational events, though not focused specifically on history).

The Maxwell House was built between 1752 and 1756 by the Reverend Samuel Maxwell. The house, which is the oldest brick dwelling in Warren, is distinguished by the distinctive Flemish bond pattern of the brickwork, its field stone foundation, and its large central chimney. The Maxwell House is maintained by the Society as a working museum.

The house offers tours, educational programs, and occasional recreational and educational events.

The Birthplace serves as a showplace for reproductions of the works of one of America's foremost portrait painters and as an authentically restored and furnished workingman's home and the site of the first snuff mill in America. The wooded homestead on the banks of the Mattatuxet Brook also features a partially restored grist mill and a fish ladder. In spring the ladder is packed with migrating herring, swimming furiously to reach the pond above the mill dam. The grist mill houses the original fine-grained granite stones used to grind corn for the famous Rhode Island Johnny Cakes.

The site offers tours and occasional recreational and educational events.

The history of this National Landmark began in 1528 when Panfilo de Narvaez arrived in the area with 300 men; however, the first fort was not built until 1679. Andrew Jackson occupied the fort for a brief time in the early 1800s. The museum at the park displays pottery and tools unearthed near the original fort and explains the history of the San Marcos site.

The park offers exhibits and tours.