The Old Capitol Building stands at the center of the University of Iowa's campus, and today is a U.S. Historical Landmark and a museum. It is the central building of the Pentacrest, a set of five historic buildings on the campus. The Old Capitol Building was the main seat of Iowa state government from 1840 until 1846, when Iowa officially became a state rather than a territory. Today, the building is a free museum dedicated to educating the community with a focus on the importance of the humanities. The museum features various offices and legislative chambers, all maintained to appear as they did in the mid-19th century. Rotating special exhibits are on display, and the museum hosts events and community initiatives. Space at the museum can be rented for private events as well.