The Knott House Museum was first built in the early 1800s, and opened as a museum in 1992. Today, visitors to the museum will take a step back in time as they enter the house, as the house is furnished in its original, Victorian-era furniture. Upstairs, visitors are treated to two exhibits on the history of Tallahassee and the Knott family's special role in that history.

The site offers a brief history of the Knott house as well as visitor information.

The Henry Morrison Flagler Museum preserves Whitehall, the estate of Henry Flagler, the noted railroad baron. The museum both chronicles the life and times of Flagler and the Florida East Coast Railway and serves as a local art museum.

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

"The goal of the Livermore Heritage Guild is expressed by its motto, 'Help save yesterday for tomorrow.' The Guild is an information source for those who are interested in the history of Livermore and houses its collection in the historic Carnegie Library Building in downtown Livermore." The guild also runs the Duarte Garage Museum, a 1915 automotive garage, and the 1911 Carnegie Museum, originally built as a public library and now serving as the guild's headquarters.

The site features a slideshow of downtown Livermore, an events calendar, recent news, and an online museum store.

The Deepwood Estate had its beginning in the late 19th century when Dr. Luke A. Port bought several acres of land in Salem, Oregon. The Port family hired William Knighton to design their home, which was acquired by the city of Salem in 1971. Today, the historic home and its associated gardens are open to visitors and serves as a historic house museums. The Estate organization also puts out a quarterly newsletter with news about the estate.

The site offers visitor information, histories of the estate and its gardens, and an events calendar.

"The Pacific Southwest Railway Museum Association is a non-profit educational organization dedicated to the preservation and interpretation of railroads as they existed in the Pacific Southwest." The museum hosts an impressive collection of railroad equipment, including locomotives, freight cars, passenger cars, cabooses, and even support equipment.

The site offers a virtual tour, a history of southwestern railroads, a photo gallery of the museum's collection of railcars, and an events calendar.

"In 1800, Charles Carroll of Carrollton, a signer of the Declaration of Independence, offered his son a generous wedding gift — $10,000 to build and furnish a place in the country. Charles Carroll Jr. spared no expense and overlooked no detail in the construction of Homewood, an expression of his family's tremendous political, social, and financial stature. Visit today and experience the beauty and elegance of Homewood Museum — one of the nation's best examples of Federal Period architecture and a National Historic Landmark. Homewood Museum offers individual and group tours and a year-round calendar of changing exhibitions, concerts, and educational programs."

The site offers visitor information, an online museum shop, a history of the home, a virtual tour, an online audio tour, and an events calendar.

The Tampa Bay History Center is located in the center of historic Tampa, FL, in a beautiful new building which contains 60,000 square feet of exhibits space. The building hosts numerous exhibits which depict almost 500 years of recorded history and 12,000 years of human habitation in this region of Florida. The center also hosts a research center which contains 9,638 books, manuscripts, microfilm, legal documents. In addition, the research center hosts over 1,000 genealogical resources.

The site offers visitor information, a listing of all current, past, and present exhibits, information regarding the other historical resources owned by the center, an education section complete with lesson plans, field trip guides, and interactive online educational activities, a museum store, and an events calendar.

"Montgomery Preservation [...], Montgomery County's only county-wide, private, nonprofit historic preservation organization, was originally composed of a small group of local residents who formed the Montgomery County Committee of the Maryland Historical Trust in the early 1970's to further preservation efforts in the county." Today, the organization works to preserve local history on two fronts. First, the organization runs the mid-20th-century Silver Spring B&O Railroad Station, which is open to the public once a month during the summer and fall months. Second, the organization works toward encouraging preservation among local individuals and organizations.

The site offers visitor information for the B&O Station, information about preservation awards, information about current organization advocacy projects, and an events calendar.

The Southern Oregon Historical Society was formed 63 years ago with the mission "to make history come alive by collecting, preserving, and sharing the stories and artifacts of our common heritage." Currently, the society owns seven unique historical properties including two museums, a historic house from the 1890s, Oregon's first bank, a small Catholic rectory, one of Jacksonville's first hotels, and a farm. The museums and the society's research library hold the society's extensive collection of almost a million stories and artifacts.

The site offers general historical and visitor information for the society's research library and other properties, an online store, and an events calendar.

Historic Prince William is a non-profit organization dedicated to "disseminating historical information through programs and publications, promoting historical preservation and protection of County resources through public education, and broadening the base of public interest in local history by sponsoring tours, speaking in schools, supporting research, and printing material of historical interest." The organization works tirelessly to preserve historic structures in Prince William County as well as help support national treasures like Manassas Battlefield.

The site offers photographs of historical structures in Prince William County, a history section with articles and features on Prince William County History, and publications on Prince William County history for sale.