Pueblo Grande Ruin and Irrigation Sites are pre-Columbian archaeological sites and ruins, located in Phoenix, Arizona. They include a prehistoric platform mound and irrigation canals. The City of Phoenix manages these resources as the Pueblo Grande Museum Archaeological Park. wikipedia 
33.446389, -111.984167 Pueblo Grande
Canals were built, maintained, and abandoned by the Hohokam for almost a thousand years. The site of Pueblo Grande is situated at the headgates of multiple large canals on the north side of the Salt River. wikipedia
The site may have had several ball courts, publicly accessible sites likely used for ceremonial purposes, possibly ritual ball games, and periodic markets. There may be cultural links with Mesoamerican ballcourts, though, there are significant architectural differences between their design. wikipedia
The platform mound began as two low circular mounds around A.D. 800. These expanded with stone-walled cells that were filled with trash and capped with caliche plaster to create a platform upon which structures were built. The mound was surrounded by a 6 to 7-foot high compound wall limiting access to the mound. wikipedia