The Cahokia Mounds is the site of a Native American city directly across the Mississippi River from present-day St. Louis. The state archaeology park lies in south-western Illinois between East St. Lo
Monks Mound is the largest earthen structure at Cahokia (for scale, people below and on top). About 80 earthen mounds or earthworks survive at the archeology site out of perhaps as many as 120 at the city's apex.
A human sacrifice of fifty-three women at Cahokia
Mississippian period showing the multiple layers of mound construction, mound structures such as temples or mortuaries, ramps with log stairs, and prior structures under later layers, multiple terraces, and intrusive burials
Illustration of the central plaza at Cahokia as it may have looked at its peak 1050–1350 AD
Monks Mound is the largest Pre-Columbian earthwork in the Americas and the largest pyramid north of Mesoamerica. The beginning of its construction dates from 900 to 955 CE. Located at the Cahokia Moun
Cahokia
…moved more than an estimated 55 million cubic feet (1,600,000 m3) of earth in woven baskets to create this network of mounds and community plazas. Monks Mound, for example, covers 14 acres (5.7 ha), rises 100 ft (30 m), and was topped by a massive 5,000 ft2 (460 m2) building another 50 ft (15 m) high. Early…
Monks Mound in summer. The concrete staircase follows the approximate course of the ancient wooden stairs
Monks Mound from the side showing the 2 terraces.
Looking over the Cahokia Mounds site from the top of Monks Mound