Thinking of doing something like this in the "path" we always walk on across the lawn. It's getting worn down and I can't get everyone(including myself sometimes) to go around on the sidewalk. Step-by-step: Flagstone path
A pondless waterfall saves space and reduces workload. If you would like a water feature in your yard but would rather skip all the cleaning and algae removal and what not that goes with a pond check out this waterfall how to from Backyard Design Ideas.