Fly the slippery skies in this Salmon Thirty Salmon
It's no GigaBit, but damn good for an existing infrastructure.
One of my favorites: The Arcata Eye, a clever policwe log, has been on the internet for quite some time.
It's the ButtKicker!
Various forms of water... gallery. Eco-Friendly Incredible Edible Plastic - or just dump water on it and it desolves.