Here is a fabulous explanation on how to create a fractal chandelier like the one above. It has been featured everywhere else in the blogosphere, but we all know that doesn't mean everyone has seen it yet. This particular one, the Nimbus, and its tutorial were created by Sean Michael Ragan.
I highlighted the word particular because there has been a lot of debate on the origin of this design. There are so many commercial versions of this around now, but this article points to perhaps, Irving Harper, a designer for George Nelson, being the earliest known user of this concept.
This is the Harper design seen in his home in the 2001 Metropolis article.
Check out this modern adaption of a bathroom fixture at mod habit.
This is a much easier DIY chandelier project from Martina, shown on AT: San Francisco.
You should also check out DIYLife for posts on creative lighting designs.