National Register of Historic Places
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Winterthur
Winterthur, DE -
Wilderstein Historic Site
Rhinebeck, NY -
Val Verde
Santa Barbara, CA -
Tregaron
Washington, DC -
Rancho Los Alamitos
Long Beach, CA -
Platt Gardens
Boise, ID -
Palm Cottage Gardens
Gotha, FL -
Magnolia Plantation
Charleston, SC -
Longue Vue House and Gardens
New Orleans, LA -
Liz Christy Community Garden
New York, NY -
Locust Grove Estate
Poughkeepsie, NY -
Kenilworth Aquatic Gardens
Washington, DC -
Harkness Memorial State Park
Waterford, CT -
Garland Farm
Bar Harbor, ME -
Filoli
Woodside, CA -
Frederick Law Olmsted National Historic Site
Brookline, MA