Literal "catwalks" built into the house. Sometimes more discreet, sometimes more obvious. Either way, always better looking than this jazz.
It's the cats home too
Cat walkway. great alternative for indoor cats that like going outdoors!
Peter Cohen, owner of Trillium Enterprises in Santa Barbara, California has customized his house to be entirely cat-friendly
Set of Four: Three Floating Cat Cube Shelves by PorteSueloGoods
The Cats House in Japan integrates myriad ladders, walkways and cubbies into the decor for its feline inhabitants
I think this looks especially good on rooms with crown molding
CAT -LADDERS … More
Build A Wall-to-Wall Built-In Desk and Bookcase More