Where the dogs have worn the path down. Utilize reclaimed pallet wood to build a rustic wooden walkway. You can use it to link two areas of your backyard, or to add some character to a quiet corner. Get the tutorial at Funky Junk Interiors.
I like this idea for our front yard, to create a path from the driveway to the front walk. I originally wanted flagstone, but flagstone paths are too uneven for the high heels I usually wear. This would be far more even for walking on.