It used to be a simple wooden four legged chair, but todays outrageous chair designs include pimped out rocking chairs, spirally wheelies and even some growing foam. Growing foam? Don't ask. Check out the interesting and inventive collection of unique chair designs above and keep clicking for more from Trend Hunters archives.

Implications - You'll want to make sure you're sitting down when you get around to perusing these nifty seats, because they will definitely rock your understanding of what might seem like an otherwise everyday piece of furniture. When it comes to redefining the world of seating in a dramatically new way, these chairs definitely bring some bold, new ideas to the table.