What are Illinois physical features?

Illinois is a Midwestern state located in the center of the United States. It is bordered by Wisconsin to the north, Michigan to the northeast, Indiana to the east, Kentucky to the southeast, Missouri to the southwest, and Iowa to the west. The state has a diverse topography, with flat prairies in the north and rolling hills in the south. The highest point in Illinois is Charles Mound, located in Jo Daviess County, which stands at 1,235 feet (376 meters) above sea level. The lowest point in the state is the Mississippi River, which flows along the state's western border and has an elevation of 279 feet (85 meters) above sea level.

Illinois is also home to several rivers, including the Illinois River, which flows through the center of the state and empties into the Mississippi River, and the Kaskaskia River, which flows through the southern part of the state and also empties into the Mississippi River. The state is also home to several lakes, including Lake Michigan, which is located on the state's eastern border and is shared with Indiana, Michigan, and Wisconsin.

In addition to its natural features, Illinois is also home to several man-made landmarks, such as the Willis Tower, which is the second tallest building in the United States, and the Field Museum, which is one of the largest natural history museums in the world.