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Founded in 1974, Cobb Landmarks tells the stories and preserves the places that formed our community. As a 501(c)(3) nonprofit, Cobb Landmarks relies entirely on the generous support of businesses, foundations, and dedicated individuals like you. Your financial contributions allow us to:
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upcoming Lectures & programs
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The Herdon HomeJanuary 31, 2026 | 10:00am & 1:00pm
Join us for a private tour of the Herndon Home, led by staff member Mary Ilonah. Built by Alonzo Herndon—an Atlanta businessman who rose from slavery to become Georgia’s first Black millionaire—this 15-room Beaux-Arts mansion stands as a testament to his determination. |
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Spring RambleJoin us as we partner with The Georgia Trust for the Spring Ramble in Marietta and Smyrna. Discover the rich architectural legacy of these cities while touring some of the area’s most historic private homes and landmarks. On Friday and Saturday, explore stunning private residences across five National Register Historic Districts in Marietta. Sunday’s Ramble will showcase a rich tapestry of historic homes and sites in the never-before-Rambled city of Smyrna.
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Dendrochronology ProjectCobb Landmarks, in collaboration with the University of West Georgia, is embarking on a mission to create Atlanta's first dendrochronological chronology for 19th century structures. This project will involve examining tree rings to determine the year the timbers were harvested for construction. The resulting chronology will be a valuable resource, shared globally through NOAA, enabling further research and data contribution.
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Nellie Mae Rowe ProjectNellie Mae Rowe was a Black folk artist who used found materials to create paintings, drawings, sculptures, and outdoor decorations at her home in Vinings. Cobb Landmarks is partnering with Kennesaw State University, Vinings Village Homeowners Association, The Judith Alexander Foundation, and others, to produce a permanent outdoor exhibit about Rowe at the former site of her home, which she affectionately referred to as her "playhouse."
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Our Historic Properties
Cobb Landmarks owns and manages several historic structures in Cobb County. Both the William Root House and Manning Family Cabin are open regularly to the general public. The Power Family Cabin is open during member events and scheduled tours.
WILLIAM ROOT HOUSE
The William Root House Museum & Garden offers an accurate portrayal of middle-class life during the 1860s. It is the oldest wood-frame structure in downtown Marietta and hosts thousands of visitors each year. |
POWER FAMILY CABIN
This cabin is believed to have been built by George Abner Power. The cabin is among the last pioneer cabins remaining in Cobb County. The property is not yet open to the general public but can be visited during special events. |
MANNING FAMILY CABIN
This 1830s cabin was occupied by members of the Manning family during the Civil War. The Manning family donated the cabin to Cobb Landmarks in 2018 and it was relocated to the William Root House campus. |
Foundations/SponsorsDiamond ($5,000+)
1772 Foundation City of Marietta Tourism Grant Downtown Marietta Development Authority The Georgia Trust for Historic Preservation Master Gardeners of Cobb County Platinum ($2,500+) Atlanta Arbor Cobb Chamber of Commerce Georgia Humanities Council SA White Oil Company, Inc. Gold ($1,000+) Atlanta Fine Homes | Sotheby's International The Allstate Foundation Blaydes Landscape & Interiors California Closets Cobb Travel & Tourism Colonial Dames of America, Marietta Custom Dwellings Gary Alpert Financial Strategies The George S. & Edna L. Cobb Foundation Measure Spaces Poole's Pharmacy Salon Posta Sanctuary Home Mortgage Summit Heating and Air Silver ($500+) Colonial Dames of America, Marietta Town Committee Glover Park Brewery Southern Wholesale Flooring Bronze ($250+) Atlanta Hard Cider Schoolhouse Brewing Tuesday Coffee & Shoppe Become a sponsor today! |
landmark society members
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