At my house I don't really use or display the long taper style candles. I have a pair of candlestick holders in my milk glass collection. And I recently found a clear one in my basement that I mistook for a slender rectangular vase. Both have recently found new life as display pedestals.
On my mantel I have used the tall holder as is but perched a little bird's nest on top.
On my white shelves, I flipped the milk glass versions upside down and used them to display bird nests as well. I have to give my 3-year-old credit for the idea since she was the one who originally turned them upside down.
I am imagining other objects could be elevated in a similar fashion. It is an interesting decorating thought.