The modern era will change everything especially the life and buildings in the big city. To follow the modern era, the planning and preparation must be conducted carefully and detail. The public place is the crucial place that must follow the new era. The design in the public place must be matched to the modern life. The future city must cover all aspects of life that are suitable to the modern era. This is one of the ways to promote the life in the future. It is an exhibit that shows the pictures or planning to the future life and buildings. the interactive exhibit uses photographs and the technique of photomontage, alongside visual and audio narrations, and interactive installations to examine Los Angeles in the past, in the present, and projected forward fifty years to a post-oil future. The visitors can have imagination of the future life especially in the building designs. The people will rethink to build house in the big city when they have futuristic picture from this show.