Longwood
$25–$50Take a guided tour of an unfinished octagonal mansion crowned by an onion dome, left incomplete when the Civil War began.

Photo: Matt Lancashire from London, England, CC BY 2.0, via Wikimedia Commons. Cropped and resized.
Windsor Ruins is a sightseeing stop in Port Gibson, MS. Cost: free. Roads may be impassable at certain times of year due to flooding.
Hwy 552, about 3 miles past the Alcorn State University entrance · Port Gibson, MS
Twenty-three full Corinthian columns and five partial ones are all that remain of Windsor, a Greek Revival mansion built from 1859 to 1861 and destroyed by fire in 1890. The 40-foot columns once carried ornamental iron balustrades at third-floor height. An ADA-accessible walking trail, added during a 2023 stabilization project, circles the columns. The site has no visitor amenities, so plan ahead.
The closest stops to Windsor Ruins, ordered by straight-line distance.
Take a guided tour of an unfinished octagonal mansion crowned by an onion dome, left incomplete when the Civil War began.
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Drive a 16-mile tour road past Civil War monuments, trenches and cannons, and see the ironclad gunboat USS Cairo.
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