Our kitchen is really pathetic when it comes to storing anything, so I have to "make do."
I've built rows and rows of shelves in the adjacent breakfast room, which is where all my cookbooks live. I probably have 65 to 90 feet of shelves that are overflowing. Well, my collection is somewhere in the 1,000+ area, so that's a lot of cookbooks.
I love my cookbooks and I can find any recipe in them simply by remembering the size/color/print on the spine. Many of them are good, old friends.
My cooking reference books are on a bookcase in my office upstairs.