Retaining walls can be very helpful and there are a lot of retaining wall ideas if ever you want to build one. When creating a wall, you must have a purpose for it. In the past, walls were created to protect a nation from its enemies. Today, walls are used to provide support to buildings and infrastructures. In cases of volatile slopes in landscapes, a retaining wall can be highly efficient to help control the soil and prevent any erosion. However, in order for a retaining wall to withstand the pressure that the sloping landscape is producing, the wall must be very sturdy and the retaining wall construction has to be done properly.