Cats live in a vertical world. Elevated areas provide them with
safety, comfort, exercise, and fun.
A cat tree (also referred to as a cat tree house, cat condo, kitty
condo, cat stand, cat post "catbox" or cat tower) is an artificial
structure for a cat to play, exercise, relax and sleep on. Cat trees
vary in height and complexity, with most cats preferring features
offering height over comfort, particularly if tall enough to allow a
clear survey of their territory. Some cats prefer options which offer
shelter or a secluded escape, which may be at any height of the
structure.
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When buying a cat tree, keep two things in mind: