A city with over one hundred kilometers of canals, it’s no surprise that Amsterdam is full of houseboats. However, one such boat in the historic Herengracht district is hiding something peculiar inside. On any given day it’s home to about 50 felines!

No, this isn’t a hoarding nightmare gone wrong. The cat boat, or “de poezenboot” in Dutch, is the world’s only floating cat sanctuary.

Photo credit: Antony Stanley/Flickr