Rocks and boulders complete your landscape. Choose from a wide array of rocks, boulders and flagstone. Rocks, Boulders and Flagstone - Cacti Landscapes Las Vegas Please note: You are currently browsing img 1 landscaping 20180722 that is 1600x1200px in size. This image is listed in landscaping ideas with rocks boulders category. Rocks, Boulders and Flagstone Cacti Landscapes Las Vegas, 1600x1200 in 1,579.79 KB.