Cigu Salt Field is the largest salt field in Taiwan's histroy. As the salt industry declines, Cigu Salt Field is changes into a tourist attraction. There are two salt mountains: the Highest Peak of salt Mountant and the Nourth Peak of Salt Mountant. The highest Peak has become Cigu's landmark. The salt density of Unsinkable Sea is an high as 17 Degree Baume, which almost competes to that of the Dead Sea. Visitors can make salt in tranditional salt fields.