The Platinum Hotel in Las Vegas not only allows dogs and other select pets in its corridors, it welcomes them. The hotel offers 255 one and two bedroom accomodations just east of the Las Vegas Strip. The Platinum accepts pets under 50 pounds and offers custom-made dog runs, pet beds, bowls and treats.
More information: http://lodging.uptake.com/blog/platinum-hotel-in-las-vegas-welcomes-four-legged-guests.html