The Illinois State Capitol is located in Springfield, Illinois, and serves as the seat of government for the state. Completed in 1868, the building features a distinctive dome that rises 361 feet, making it the tallest capitol building in the United States. The architecture is a blend of Italian Renaissance and French Baroque styles, showcasing beautiful marble interiors and intricate artwork. Inside the capitol, visitors can find the chambers for the Illinois General Assembly, which includes the House of Representatives and the Senate. The building also houses the offices of the Governor and other state officials. It is a significant historical site and a center for state government activities.