The money tree (Pachira aquatica ... with bonsai enthusiasts who use their skills to produce some interesting bonsai trees that can add a dramatic flair to your indoor space.

Or, you could opt for an even more affordable option from Amazon, like the Arcadia Money Tree Live Indoor Plant. This bonsai is also a money tree but retails for $21.94. Costco's Gardenia Bonsai ...

At the 2012 international bonsai convention, a tree was on sale for 100 million yen, just under a million dollars. And many more of these trees are considered completely priceless. So what is it ...