In Rome , people walk cats over ruins . On Hawaii 's Cat Island , dogs are banned ... or have died . In California , felines flock to a former coal mine -- visitors arrive . Rome 's noble ruins are a favorite haunt of feral cats . Hemingway 's former Key West home is full of six - legged cats .
In Rome , people walk cats over ruins . On Hawaii 's Cat Island , dogs are banned ... or have died . In California , felines flock to a former coal mine -- visitors arrive . Hemingway 's former Key West home is full of six - legged cats .