Humans have been building retaining walls for thousands of years to create flat, or gently sloping, terraces on hillsides. A lot of my readers have them on their own property — or need to build one — ...

For homeowners, retaining walls are an excellent way to battle soil erosion while also giving your yard more planting space. In addition, they can serve as a focal point that can be fun to plan around ...

Size the trench so there's enough room for the retaining wall block and at least 8 in. of space behind it. Excavate deep ...