Fire Pit Flush With Ground . You can use your fire pit to grill hamburgers, hot dogs, steaks, chicken and other foods by adding a grill grate to it. With an in ground fire pit, backyard harmony can be achieved. In Ground Gas Fire Pit • Knobs Ideas Site from homemakerbarbi.com Surround it with a single ring of pavers. This fire pit is 42” wide, including a 6 rim, and is 12” high. Here are 40 pictures to help you choose from the many diy ideas and designs.