Can't say it better than google:
"Overlooking the Back bay, the Old Brick house is an example of the mingling of french colonial and American building traditions in Biloxi. The house sits on property once owned by Jean Baptiste carquotte, who received a land grant from the Spanish government in 1784. Saved from neglect by Biloxi's garden clubs in the 1950's, the house is now owned by the City of biloxi and operated as a historic house museum and community gathering place." If you are into historical sightings and tours, it is an inexpensive way to spend a historical outing.
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