This is the most amazing outdoor patio DIY cement block bench that almost anyone should be able to make themselves at home with great success!
this bench isn't super sexy, but if you painted the cinder blocks, put some cushions on it, it would be a cheap and easy weekend project. 19 Backyard DIY Spruce-Ups on a Budget
Repurposed Pallets: DIY greenhouse This nifty and inexpensive greenhouse has been made from two salvaged pallets. A great solution for raising plants if you live in a cold climate.
Mini green houses from salvaged windows