Pinault Collection at the Conciergerie in Paris, October 21, 2013 to January 6, 2014. La Conciergerie and Sainte-Chapelle Behind its allure as a fairytale castle, the turreted Conciergerie (the first royal palace, also known as the Palais de la Cité) hides a bloody past: During the Revolution it served as a prison for those condemned to the guillotine, including Queen Marie-Antoinette. Remnants of its...