The rock gardens can are available in various shapes and sizes. These ornamental rocks and stones can be used throughout your yard for a variety of purposes that range from a decorative irrigation system, elegant fountains, or ornate gardens.
(link) FOUNTAIN: How to Build a Concrete Fountain ~ Create a stone-lined garden pond, then carve a waterfall out of a block of stone using basic power and hand tools. The technique is simple, even for beginners. This is a STEP BY STEP TUTORIAL GUIDE