Whatever it is, an object as decoration, or simply a functional object that happens to be good design- it doesn't even need to cost much, or cost anything for that matter.
Frankly, the best design comes from nature -but I won't get into a long discussion on biomimicry and the reasons nature chose a particular design over another- all is for function, but how can you not appreciate the design?......
Anyways, I ramble....tooling around Liveauctioneers, I came across a few things I would love to drop some $$$$ on, but probably won't- so have at it!
Penguin by Beniamino Bufano
and let's put them all on this for display....LOOOOOVE this table by Borsani (at auction at RAGO):