Mississippi is located in the southeastern United States, bordered by Tennessee, Louisiana, Alabama, and Arkansas. It has a humid subtropical climate with short mild winters and long hot summers. Some of Mississippi's notable landmarks include the Emerald Mound Site and Vicksburg National Military Park, while the Gulf Islands National Seashore and Mississippi River are prominent landforms. Agriculture is an important part of Mississippi's economy and culture, with major exports including sweet potatoes, cotton, soybeans, rice, and corn.