Abstract: A simulated log structure is provided. The simulated log structure is made up of a plurality of structural elements wherein each structural element is composed of a plurality of exterior simulated log elements and a plurality of interior log elements. The exterior simulated log elements simulate the appearance of wooden logs and are made from composite materials such as but not limited to concrete, plastic, wood fiber, resin, composite of fiberglass, polyurethane, polymer and/or polymer concrete, and so on, to withstand the natural elements. The interior log elements are made of real wood to provide owners the authentic feel of living in a real log structure.