In addition to serving as the focal point of Kentucky government activities, Frankfort acts as a cultural and historical center for Kentuckians. A multi-million dollar learning and research center, the Thomas D. Clark Center for Kentucky History attracts curious tourists, genealogists and academicians who want a deeper understanding of Kentucky's rich heritage. The Center includes interactive exhibits that tell the stories of Kentuckians, from its prehistoric inhabitants to modern day leaders. The Center also provides tour of the Old Capitol, a National Historic Landmark, and the Kentucky Military History Museum, which chronicles Kentucky's military involvement. Reservations are recommended for large group tours.