Natural Looking Winding Stone Stair - there are a lot of DIY projects a handy homeowner can do on his own, but this is one Id leave to the pros! This is so well done! Robinsons Landscaping and Nursery - Gardening For You
It's easy to build cascading steps like these if you just build boxes and stack them up. You may have to shim each layer to get the correct rise, but it's still simpler than cutting a bunch of notched stringers.
DIY glow in the dark stepping stones. Line a pathway with rocks painted in glow in the dark paint. During the day they “charge” in the sun and in the evening they reflect the stored light. Rust-Oleum Glow in the Dark Brush-on Paint.