Oatlands Plantation was built in 1798 by George Carter, of the prominent Carter family of Virginia, as a grain plantation. The federal style plantation house was completed in 1804. The plantation was commercially successful until the advent of the Civil War. During the first half of the 20th century the plantation served as the country home of Mr. and Mrs. William Corcoran Eustis, a Washington political family.

The site offers several educational tours that meet Virginia SOLs for grades 2, 4, 5, and 6. The site also maintains a research library for teacher and student use.

The Filson Historical Society seeks to preserve and share the history of Kentucky and the Ohio Valley. The society's offices are located within the 1905 Beaux Arts Ferguson Mansion. A museum is located within the carriage house. Collection highlights include the largest number of antebellum portraits in Kentucky; Clark, of the Lewis and Clark Expedition, family artifacts; and Shaker artifacts. Exhibit topics include Kentucky pioneers, Shaker life, slave life, and the Civil War. The society also operates a library, containing more than 50,000 volumes.

The society offers period rooms, exhibits, tours of the mansion and museum for students, traveling trunks, non-circulating research library access, and research assistance. A daily fee is charged for research library access. Payment is required for research conducted on request. Please call ahead if you wish to use the library. Reservations are required for student tours.

The 3,700-acre Fort Stevens State Historical Site commemorates Fort Stevens, one of three forts created to defend the harbor near the mouth of the Columbia River. The fort remained an active military site between the Civil War and World War II. The grounds also include a historic shipwreck, a gun battery and World War II command center, a museum of the fort's history, and enclosed Civil War earthworks.

The site offers exhibits, nine miles of bicycle trails, six miles of hiking trails, outdoor activities, and a picnic area. During the summer, the site also offers blacksmithing demonstrations, 90-minute tours of the gun batteries, and truck tours of the fortifications.

The Manship House Museum preserves the Gothic Revival "cottage villa" of Charles Henry Manship (1812-1895), mayor of Jackson, Mississippi during the Civil War and ornamental painter by trade. Restored to period, the residence serves as a site to share the history of the Manship family. The museum offers annual exhibits about weddings and mourning customs circa 1888.

The museum offers exhibits and period rooms.

The Washington County Historical Society seeks to preserve and share the history of Washington County, MD. To this end, the society operates a museum within the Miller House, a late Federal townhouse dating to between 1818 and 1823, and the 1904 two-room Beaver Creek School. Exhibits in the Miller House include period rooms set to 1850s through 1870s appearances, clocks, dolls, Shenandoah Valley pottery, the Revolutionary War, the War of 1812, the Civil War, and the C and O Canal. The house grounds also include a library and gardens. The Beaver Creek School contains period school, workshop, parlor, and cobbler shop settings; vintage toys; costumes and uniforms; an 1840s hand crank organ; and other artifacts.

The society offers exhibits, period rooms, a garden, and research library access.

The Old State Capitol is a reconstruction of Illinois's fifth statehouse, the first to be located in Springfield. The building served as the seat of state government and a center of Illinois political life from 1839 to 1876. The first floor is composed of a central hall flanked by rooms interpreting government offices, two libraries, and the supreme courtroom. A complex of first-floor rooms also provides an audiovisual theater and staff offices. Recreated second-floor spaces include a rotunda, legislative chambers, and smaller offices and meeting rooms. The building is located in the center of a large landscaped yard surrounded by a replica of the original 1850s ornamental iron fence.

The site offers tours, a short film, and occasional educational and recreational events.

Designated a National Historic Landmark in 1973, Florida's southernmost state park is popular for recreation, as well as U.S. military history. The fort was one of a series built in the mid-1800s to defend the nation's southeastern coastline. Completed in 1866, Fort Zachary Taylor played important roles in the Civil War and Spanish-American War.

The park offers tours, exhibits, and occasional recreational and educational events (including living history events).

The Los Angeles State Historic Park, although under development, opened a 13-acre preview of the completed park to the public. In addition to land suitable to a wide variety of outdoor activities, the park encompasses the waterwheel, round house, freight house, station yard, and depot of the 1875 Southern Pacific Railroad’s River Station and a glass footprint of the 1879 Pacific Hotel.

The park offers bike trails, urban wildlife viewing, guided interpretive programs, and picnic areas.

The Emigrant Springs State Heritage Area is located southeast of Pendleton, Oregon, near the crest of the Blue Mountains. The park seeks to preserve a popular stop along the Oregon Trail, and offers camping, nature programs, historical displays, and outdoor activities such as fishing and hiking.

The website offers visitor information as well as a brief history of the website.

The Island County Historic Society seeks to preserve and share the history of Island County, Washington from the Ice Age through the mid-20th century. Topics given particular emphasis include maritime history, Pacific Northwest Native American cultures, military history, and the settlers of 1853. Collections and archives number more than 19,000 items. The society operates a museum of local history, located on the former site of the 1870 Mother Fay’s Hotel.

The society offers exhibits, one-hour to 90-minute guided tours for students, library access, and research assistance. Research assistance requires payment of a fee. Two weeks advance notice is required for all visits by more than five individuals. Some student tours include pre-visit curriculum materials.