Expiatory Chapel - Credit: Wikimedia Commons
The Chapelle expiatoire ("Expiatory Chapel")expiatoire does not appear in contemporaneous sources; it was added later. is a chapel located in the 8th arrondissement of Paris, France. The chapel was constructed on the grounds where King Louis XVI and Queen Marie Antoinette had been buried after they had been guillotined, and it is therefore dedicated to them. Read more on Wikipedia
Source: en.wikipedia.org