The Palais de Justice, contains the ancient structure of the Conciergerie, a former prison, where Marie Antoinette was imprisoned before being executed on the guillotine. The exterior includes sculptural work by sculptor Jean-Marie Bonnassieux. It's artistic building.
Located in the Île de la Cité, built on the site of the former royal palace of Saint Louis, of which the Sainte Chapelle remains. The Palais de Justice houses paris court of large claims and the associated paris correctional court, court of appeal,cour de cassation (highest jurisdiction in the French judicial order).