Rocket Stove Mass Heater. "heat your home with 80% to 90% less wood; exhaust is nearly pure steam and CO2 (a little smoke at the beginning); the heat from one fire can last for days; you can build one in a day and half; folks have built them spending less than $20"
Raised Planter - The hinged lid allows for quick access, as well as easy venting. Hoop house plastic can be rolled up in the summer to keep rain off tomatoes, or removed entirely during the hot months.
Turn a car alternator into alternative energy by building this cheap and easy homemade wind generator.
Carving by Ayhan Tomak
Carved Tree Root Face. A face carved from the wood of an upended tree root ball on the side of Yucca Mesa Road north of Yucca Valley, California.