Monks Mound

…largest of the Mississippian earthworks, Monk’s Mound near Cahokia, Illinois, which measures 1,000 feet (305 metres) in length, more than 700 feet (213 metres) in width, and is still 100 feet (30.5 metres) in height. The first European explorers in the southern Mississippi Valley in the early 16th century found…

…immense earthworks, including the pyramidal Monks Mound (built between 900 and 1200), the largest prehistoric earthen structure in the Western Hemisphere, which rises to 100 feet (30 metres), covers more than 14 acres (6 hectares), and contains more than 25 million cubic feet (700,000 cubic metres) of earth. The seat…

…the largest of the earthworks, Monks Mound, in the Cahokia Mounds near Collinsville, Illinois, which is approximately 1,000 feet (300 metres) long, 700 feet (200 metres) wide, and 100 feet (30 metres) high. The magnitude of such public works and the distribution of temples suggest a dominant religious cult and…