Until now, archaeological and historical studies of Mesoamerican plazas have been scarce compared to studies of the surrounding monumental architecture such as pyramidal temples and palaces. Many scholars have assumed that ancient Mesoamericans invested their labor, wealth, and symbolic value in pyramids and other prominent buildings, viewing plazas as by-products of these buildings. Even when researchers have recognized the potential significance of plazas, they have thought that plazas as vacant spaces could offer few clues about their cultural and political roles. Mesoamerican...