If you follow the sea route to Tainan City Wall, you will surely see Gucheng Lighthouse standing alone on the coast. This is the westernmost point of mainland Taiwan. Unlike most of the lighthouses, the lighthouse was built as a steel tower about 32.7 meters high, the coast of dinosaur sandbank next to it creates a wonderful and vast scene with colorful clouds at sunset, the view of the lighthouse at night with the galaxy in the background attracts photographers every day to take great scene pictures.