Feral cat often have to resort to living out of boxes or underneath buildings. That’s why a group of architects decided to come up with weird, unique homes and toys for feral cats to enjoy.

The Giving Shelter event was conceived by Architects for Animals and held in Culver City, California, on October 19. All shelters were auctioned off to raise money to help reduce the stray cat population through spaying and neutering.

To see more pictures of interesting cat shelters, click here.