In 1813, his plans for a city hall won him the Prix de Rome.
While there, he studied the restorative work being done in Pozzuoli, on what was then believed to be the Temple of Serapis, but has since been identified as the macellum (marketplace).
[1] This was followed by another government commission, for a mausoleum to honor the counter-revolutionary soldiers who were killed at the Battle of Quiberon.
He was elected to the Académie des Beaux-Arts in 1840 and took Seat #4 for architecture, succeeding Jean-Nicolas Huyot.
His older brother, Philippe Joseph Marie Caristie [fr], a chief engineer for roads and bridges, participated in the Egyptian campaigns of Napoleon.