More ideas from Nick
Place the first row of retaining-wall blocks in a complete circle, securing them into the gravel and sand base with a mallet. Use a level to make sure the blocks are level from side to side and front to back.

Beautify the backyard with these character-boosting outdoor projects. We& show you how to make an outdoor room, decorative privacy panel, garden arbor, fire pit, and pebble mosaic walkway.