Your imagination is the limit. This tire turned into planter is the perfect example. http://theownerbuildernetwork.co/8zis:
Love the idea for a DIY kitchen strainer lamp @istandarddesign
Fun decorative idea for a large front yard tree.
traditional paths with rocks and bricks | beach rock and brick path. This could be done with flat rock also . I would use a variety of low growing herbs. Would make the path to your door or garden smell so wonderful.