Looking to add structure and beauty to your outdoor space? DIY retaining wall projects are a perfect solution. These walls not only prevent soil erosion but also build more usable land by transforming steep slopes into terraced backdrops. With 18 easy DIY retaining wall ideas, this guide offers a comprehensive look into how to build a retaining wall that suits your needs. From selecting materials to detailed construction steps, we've covered you with helpful tips. Before diving into the…