Kansas is a state in the middle of the United States and is located in the Great Plains region. It borders the states of Nebraska, Missouri, Oklahoma and Colorado. The capital is Topeka. Kansas is known for its flat and fertile plains, which are ideal for agriculture. Wheat, corn and soybeans in particular play an important role in the state's economy. In addition, Kansas is a center of the aerospace industry. The climate is characterized by cold winters and hot summers with occasional severe storms and tornadoes. Well-known landmarks include the Kansas State Capitol, Tallgrass Prairie National Preserve, and the Wild West town of Dodge City.