My home is below street level, so I need to create some terracing. I've been looking at how to build retaining walls. This link has 10 short videos on things you must know before starting to build a retaining wall: http://www.diynetwork.com/10-things-you-must-know-retaining-walls/video/index.html
Ready to transform your backyard into your own private sanctuary? Start with this DIY octagonal gazebo. A soothing space—you can use it to entertain family and friends or simply lounge after a long day.
Another arbour/porch smothered in Wisteria. It smells wonderful but you have to be prepared to sweep up a lot of the flowers as they drop ... My favourite variety is Wisteria floribunda 'Macrobotrys' which has the longest racemes.