Home theater specialists Bowser & Wilkins makes a high-end model of speaker called the Nautilus. They're pricey at about $60,000 for a set. Alfonso de Rojas wanted some, but didn't have the money. So he spent 400 hours building a set on his own. The finished product, which you can view at the link, certainly looks like a Nautilus.
Link via Technabob | Second photo: Kilpsch.com