This 2019 episode notes that the Catacombs contain the bones of an estimated 6 to 7 million people, and explains that their history is really two interconnected stories of mines and human remains.
Stuff You Missed in History Class
2,381 clip(s)
Behind the Scenes Minis: Hans, Mike, and Nate
Interview - Nate DiMeo and The Memory Palace
Sir Hans Sloane and the British Museum