Rosalie, Natchez, MS Rosalie (1823). This National Historic Landmark is one of the earliest fully developed "suburban villas" in Natchez. The Federal-style house is open to the public by the Daughters of the American Revolution. The large mansion overlooking the Mississippi River also served as the headquarters of the Union Army during the occupation of Natchez in the Civil War.
Ward Hall, Georgetown, Kentucky History from Wikipedia: Ward Hall is a Greek Revival antebellum plantation mansion located in Georgetown, Kentucky. The 12,000-square-foot (1,100 m2), with 27-foot (8.2 m) high Corinthian fluted columns, is a Greek Revival house in Kentucky, and one of the finest examples of a mid-nineteenth classical building in the United States.
The Grove Plantation House is located near Adams Run, SC. It was built in 1828 and is one of only three antebellum mansions in the ACE Basin area to survive the Civil War. Former owners ensured it would be preserved by placing it on the National Register of Historical Places.
Melrose is a mansion that is said to reflect "perfection" in its Greek Revival design. The 80-acre (320,000 m2) estate is now part of Natchez National Historical Park and is open to the public by guided tours. The house is furnished for the period just before the Civil War. Melrose was declared a National Historic Landmark in 1974.
Part the vines in Natchez and you’ll see not an ancient temple but an antebellum mansion–not in ruins but in full glory. Make that over 30 mansions. And they’re not just any old mansions. These mansions are the King Kongs of Southern architecture. Natchez, Mississippi has the largest and most significant collection of King Cotton era mansions on the planet. In 1850, Natchez was known as the New Port of the South.