Plant glass if that is what you are looking for. Alternative you can down weedkiller and mat and lay stones for a low mantenance garden.
If you live in an area where you pay for water used, or if your area has seasonal water restrictions, I would not recommend planting lawn. To keep grass looking green and attractive is very high maintenance, and time consuming.
Have you considered stepables, these are low lying plants that provide ground cover, some have very pleasant fragrances. Low maintenance and drought resistant: