The Snow Castle is a large-scale snow and ice art project in Kemi, Finland. It is also the world's largest fortress-shaped building made of snow and ice. The Snow Castle was first built in 1996 and immediately attracted 300,000 tourists. Since then, the Snow Castle has been built every winter in Kemi, and it has become one of the most famous winter tourist attractions in Finland. The Snow Castle is set with a different theme every year, with a total construction area of about 13,000 to 20,000 square meters. The raw materials of the Snow Castle are taken from the frozen seawater on the Kemi Bay.