There's some amazing firepit projects here on Hometalk Anita
Here is one backyard fire pit, if that is what you mean Anita: https://www.hometalk.com/37736140/backyard-firepit
Take a look here:
I used a kit from the Home Depot - https://www.charlestoncrafted.com/our-hardscape-benches-fire-pit-with-the-home-depot/
Here’s a link that might be helpful, along with some visuals that I have saved.
I favor natural stone -tho crushed stone/ pea gravel/ pavers could be substituted.