They used to have a zoo in the Tower of London. Really. Foreign leaders would gift the Brits with wild animals from their countries, and the Brits didn’t know what to do with them, so they kept them in the tower, in rather horrid conditions. If you brought along a cat or dog you didn’t want to feed the lions you got free admission.
I watched this very interesting documentary recently called “Secrets of the Tower” and it was fascinating - that was just one of the things in it I did not know.
http://www.pbs.org/program/secrets-tower-london/
WWVD? {What Would Vlad Do?]