I received this wonderful link recently from our copy editors. It came with the subject line, "massively wonderful," and it truly is.
It is the story of kinetic sculpture artist Theo Jansen, who builds huge walking "animals" on the beaches of the Netherlands. Also called "strandbeests," Jansen's creations largely consist of PVC skeletons with plastic sheets made to catch the wind and propel them. Once they get moving, they can really walk, all by themselves, dwarfing their creators and spectators. Jansen's work is a marvel of engineering and beauty, but just as compelling is his philosophy about his creations. This, from Jansen's website, says it all:

So again, for something "massively wonderful" in action, click here.