Creating a dry water fountain with natural rocks and boulders for the backyard of a home, combined with an invisible pond or collection tank filled with pebbles, can be a stunning and unique landscaping feature. Here's how you can go about it: Design Planning: Start by sketching out your design and deciding on the placement of the fountain in your backyard. Consider the size and shape of the rocks and boulders you'll use, as well as the layout of the invisible pond or collection tank. Selecting Natural Rocks and Boulders: Choose a variety of natural rocks and boulders that complement the aesthetic of your backyard. Look for rocks with interesting textures, shapes, and colors that will create visual interest in your fountain. Consider incorporating different sizes and types of rocks to add depth and dimension to the design. Creating the Fountain Structure: Arrange the rocks and boulders to create the structure of the fountain. Start with the largest boulders as the base and build up from there, stacking and arranging the rocks in a way that creates cascades and channels for the water to flow. Invisible Pond or Collection Tank: Beneath the rocks and boulders, install an invisible pond or collection tank that will hold the water for the fountain. This can be a waterproof liner or basin buried beneath the surface of the ground and filled with pebbles to conceal it from view. Water Supply and Pump: Install a water supply line and pump system to circulate the water through the fountain. The pump should be placed in the invisible pond or collection tank and connected to a water source and electrical outlet. Make sure the pump is appropriately sized to accommodate the flow of water through the fountain. Final Touches: Once the fountain structure and water system are in place, add finishing touches such as additional rocks, pebbles, and landscaping elements to enhance the natural beauty of the fountain. Consider incorporating plants, lighting, or seating areas around the fountain to create a tranquil and inviting outdoor space. Maintenance: Regular maintenance is essential to keep your dry water fountain looking its best. Clean the rocks and boulders periodically to remove debris and algae buildup, and check the pump and water system for any signs of damage or malfunction. With careful planning and attention to detail, a dry water fountain made with natural rocks and boulders can become a focal point of your backyard oasis, providing beauty, tranquility, and the soothing sound of flowing water.