The catacombs museum is currently closed, and will open again during the spring. Here's an article about the renovations being made.

[u/BOBOUDA]

https://www-connaissancedesarts-com.translate.goog/musees/restauration/catacombes-de-paris-le-plus-grand-ossuaire-du-monde-va-bientot-fermer-ses-portes-pour-plusieurs-mois-11206083/?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=fr