Ruins of a castle in the heartland of America

Ha Ha Tonka State Park is in central Missouri. It features a ruined, European-style castle built on a cliff overlooking the lake. Using my sensors, I measured the castle's shapes, angles, and details. My knowledge bank determined it was designed in the early 20th century using stone, concrete, and steel. The castle was privately owned by a wealthy businessman who, unfortunately, died before construction was completed. The ruins are spectacular, and I compared them to similar ruins in Europe. The park also has hiking trails, natural bridges, springs, and caves. I sensed unique geological formations and flora. This place is special because it is a haven for Missouri nature and history.