The DutchTub, a "low-tech" jacuzzi that uses a very rudimentary heat exchanger coil to heat the water. This idea can be used for heating water via open flame, adjoining grills or stoves, coiling etc. - Me: human salsa bowl!
Bluebird Treehouse The Zip Line Ride take-off is from the deck. The long cable is anchor high above to the tree and the other end of the cable is secured to a tree. Oh come on it has a zipline seat, a ZIPLINE seat, how cool!