The Iberville Parish Courthouse in Plaquemine, Louisiana, was built in 1848 and served as a courthouse until 1906. It served as Plaquemine City Hall from 1906 until at least 1980, when it was listed on the National Register of Historic Places. Since 2000, it has served as a museum, according to the sign in the photograph.
It was built by George and Thomas Weldon, of Natchez. It embodies Greek Revival architecture.
It is a stuccoed brick building that is five bays wide with a central, pedimented portico of four Doric columns.