Building a retaining wall to add a supporting structure to your landscape doesn't need to be difficult. Use this easy concrete bag technique for quick results.

Dear James: I’m planning a veggie garden on my sloping lot so I need a retaining wall. I have used timbers before, but blocks might hold up better. Which method do you prefer? -- Steve W. Dear Steve: ...

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 — ...