The Oklahoma State Capitol is located in Oklahoma City and serves as the seat of government for the state of Oklahoma. Completed in 1917, it is notable for its distinctive dome, which is the only state capitol in the United States with an oil well on its grounds. The building features a blend of architectural styles, primarily Neoclassical. Inside, the capitol houses the offices of the governor and the state legislature, along with various historical artworks and exhibits. The building is surrounded by landscaped grounds that include memorials and statues, reflecting the state's rich history and culture.