Promotes protection and enhancement of America's historical resources.

Dedicated to preserving the architectural legacy of Alameda, California. Articles, events, officers.

Fort Wayne, Indiana's not-for-profit historic preservation organization dedicated to the preservation of historic structures.

The local chapter of Association for Preservation Technology International. Newsletter, calendar, contacts.

Aims to help improve the quality of the built environment in the United States, particularly housing, through research, education, and publications. Publications catalog.

A nonprofit group devoted to the study and preservation of the 21 missions and related buildings of early California. Mission directory, articles, reviews, glossary, bibliographies, projects, news and events.

Non-profit organization dedicated to the preservation and enhancement of California's historic built environment. Aims, membership, event calendar, publications, case studies.

Protects historic buildings in Cambridge, Massachusetts, marks historic sites, advises owners of historic buildings on preservation, researches and publishes on the city's architectural history.

Dedicated to saving classic movie theaters in the US. News, database, photographs, virtual tours and message boards. Also aims, founders, sponsors and volunteer staff of the web-site.

Comprehensive information about the architectural patrimony of the State of Colorado. History, grant, styles, planning information.

Dedicated to preserving the state's historic architecture, streetscapes, urban neighborhoods and country landscapes. Photographs and details of endangered historic properties. News, events.

An association for the preservation of the historic buildings of this area of Hamilton, Ohio. Gallery, membership, activities, events.

Advocates for the protections, techniques and incentives that will lead to the preservation of modern architecture in Arizona.

An organization dedicated to the preservation of the over 9000 historic homes in Eureka, California.

The FHA has an awards program for preservation projects, particulalry for historic bridges.

Aims to promote and preserve architectural, historical, and archaeological heritage. Conferences, workshops, publications and tours of preserved historical sites.

Presents the historic resources and cultural history of Freetown, Massachusetts.

A non-profit organization dedicated to the preservation of historic buildings in Iowa City and Johnson County, Iowa. Directors, projects, events, newsletters.

A national, non-profit organization, to promote education and research in the preservation of architectural terra cotta and related ceramic materials.

A non-profit corporation for the study and preservation of historical sites, photographs and artifacts of Grand Canyon and surrounding areas; and restoration of sites and buildings at Grand Canyon National Park.

Nonprofit organization that promotes, preserves and protects historical architecture in Hartford, Connecticut.

Works to preserve the unique architectural heritage of this Californian town with origins in the mid-19th century. Events, tours, news, how to join.

Aims to preserve, protect and revitalize the distinctive historic environment of the Fredericksburg area. Aims and activities, events and tours, projects, newsletter and board of directories.

Private nonprofit group working to protect and save Indiana's historic places and educate the public about the importance of historic preservation.

Formerly known as The Society for the Preservation of New England Antiquities, the organization preserves, interprets and collects buildings, landscapes and objects reflecting New England life from the 17th century to the present.

This branch of the Kansas Preservation Alliance describes its activities and gives photographs and information about historic landmarks in its area.

A nonprofit, member-supported organization that promotes the preservation of historic buildings, structures and sites throughout the state. Directors and staff, events, membership, preservation directory.

A non-profit organization aiming to preserve the architectural heritage and original plan of this city in Georgia. History, neighborhood guide, events, board of trustees, staff, how to join.

A non-profit membership organization dedicated to promoting knowledge, appreciation and preservation of modern architecture and design in Houston and Texas. Mission, events, projects and news.

Idaho's Historical Preservation Commission presents images and descriptions of buildings on the national historic register in Idaho City, Idaho, and a calendar of events.

Funded in 1989 by members of the Idaho Centennial Foundation. Gallery of projects throughout the state. Grant application (requires Adobe Acrobat Reader.)

Aims to preserve the architectural and cultural heritage of the oldest historical neighborhood districts of San Antonio, Texas. Mission, history, tour, events.

Statewide not-for-profit membership organization dedicated to the preservation of Illinois's architectural and historic resources. Membership, events, programs, current issues.

Historic preservation organization. Conservation alerts and issues, events, walking tours, volunteer opportunities.

LRPS devotes itself to preserving the best of the heritage of Loudoun County, Virginia. Annual August Court Days, historic plaques, grants, projects and membership.

A non-profit organization committed to educating the public and restoring the historic sites of Louisiana. Mission, events, resources, news, Heritage Education training.

Non-profit organization in Macon, Georgia dedicated to preservation of historic buildings and neighborhoods. Events, properties, projects, Young Preservationists section.

The non-profit historic preservation society for Memphis and Shelby County, Tennessee. Concerns, projects and successes, events, old postcards, preservation listings, roundtable forums.

A program of the Connecticut Trust for Historic Preservation which aims to revitalize the Merritt Parkway. Mission, Steering Committee, programs, Merritt Parkway history.

Protects, preserves and promotes the famed Art Deco District in Miami Beach, Florida. Events, architectural tours, Art Deco Museum.

A neighborhood group within Mission Viejo Aurora, Colorado, aiming to preserve the history of the community. History, photographs, request for information.

A nonprofit volunteer organization devoted to preserving the natural and cultural history of the Mojave Desert regions.

This non-profit all-volunteer organization works to preserve historic resources and places in Montana. Board, workshops, Montana's most endangered historic places.

Celebrates Black achievement in Arkansas and seeks to preserve African American history, heritage, organizations and enterprises in Little Rock's downtown business district on Ninth Street and Broadway.

A tax-exempt historic preservation and education organization dedicated to preserving distinctive properties located in National Register Historic Districts, primarily through the Federal Historic Preservation Tax Incentive Program.

Professional association of the State government officials who carry out the national historic preservation program. Includes news, preservation issues and meeting information.

NCPE is a US non-profit educational corporation to promote historic preservation and architectural conservation education programs and endeavours both in the US and abroad.

This American non-profit society publishes the World Guide to Covered Bridges, a quarterly magazine and a newsletter, excerpts from which are online.

Preservation information, features, events and activism for America's historic places.

Official website provides information and technical assistance for the identification, protection, and preservation of architectural and archaeological resources.

A non-profit, educational corporation dedicated to the history and preservation of lighthouses, particularly in the New Jersey, Delaware Bay and New York Harbor areas.

An organization which helps owners of older buildings by providing grants, low-interest loans, hands-on consulting services, workshops, and publications.

Aims to protect the endangered narratives of historic preservation in New York through public programs, outreach, celebration and the creation of public access to information.

Dedicated to preserving the architectural and cultural history of Key West Florida via the Oldest House Museum, Mallory Square Museum, grants and scholarships. Details of museums, programs and renting museum gardens for events.

Dedicated to the restoration and preservation of historic buildings and artifacts that reflect the history of Oracle, Arizona.

Non-denominational nonprofit organization focused on caring for and making good use of older and historic religious properties. Includes information on places at risk extensive advice and case histories on maintenance techniques, fundraising, and preservation.

A group protesting against a proposed housing development below an historic industrial site in New Jersey where factories harnessed the power of a huge waterfall.

Operates the state archives and historic sites and museums throughout Pennsylvania and administers historic preservation programs.

A non-profit organization dedicated to the preservation of historic buildings, sites, and structures in Ponca City, Oklahoma.

An organization that seeks to improve the livability of neighborhoods and to preserve the architectural, historic, aesthetic, and economic vitality of Burlington, Vermont.

A nonprofit organization dedicated to preserving historic buildings and sites through the acceptance and responsible management of historic preservation conservation easements.

The official website of the Idaho Historic Preservation Council, a non-profit organization to promote the preservation of Idaho's cultural and historical resources.

A non-profit organization aiming to protect and promote the state's historic resources, communities and landscapes through education and advocacy.

Non-profit organization which saved and opened to the public the summer homes of the 19th-century New York elite. Visitor information, events, news, membership.

A non-profit, advocacy organization, offering historic house, garden and walking tours of Providence, Rhode Island, as well as technical advice to owners of historic buildings.

Promotes preservation education and advocacy of recently modern architecture, landscape architecture and urbanism. Includes mailing list, membership news and benefits, how to help, features on endangered sites, and photos.

Preserving San Antonio heritage for future generations of South Texans. Learn about the society - the goals, the projects, the leaders, and the related sites.

The SVRHF is a non-profit organization formed to promote the preservation of historic and culturally significant properties in rural areas of the Shenandoah Valley.

Aims to educate the community and other interested parties about the historical properties in and around the Sherman, Texas area.

SPNEA aims to preserve, interpret and collect buildings, landscapes and objects reflecting New England life from the 17th century to the present. It owns and operates 35 historic properties.

A non-profit organization. Aims, board, publications, conference, event calendar, grants for repair and research, regional chapters, links.

A trade association for cultural resources consulting firms, promoting the business of archaeology, history, historic preservation, architectural history.

Collective of over 50 organizations and individuals who advocate the preservation of Boston's historic buildings, communities and landscapes.

A not-for-profit educational organization for the study and preservation of New World Dutch barns. Prints a newsletter twice a year with the latest findings on Dutch barns.

Supports the preservation of history in the state of New Jersey.

Ohio's independent voice for preserving the state's historical architecture and sites.

Offers workshops in Vermont, US, to lay people and professionals pertaining to historic restoration techniques and technology, as well as modern alternatives.

Founded in 1974, the Preservation Resource Center is a non-profit organization dedicated to the preservation of historic architecture and neighborhoods of New Orleans.

A not-for-profit organization aiming to educate and encourage the preservation of homes and neighborhoods in Michigan noteworthy for their age or architecture. Events.

In Springfield, Ohio includes historic preservation among its mandates.

The U.S. National Committee of the International Council on Monuments and Sites fosters heritage conservation and historic preservation.

A non-profit organization for those interested in the older buildings of this community. Gallery of the houses of members, membership information, related links.