Time lapse process of Tikal archaeological site. It is the ruin of an ancient city, which was likely to have been called Yax Mutal, found in a rainforest in Guatemala. It is one of the largest archaeological sites and urban centers of the pre-Columbian Maya civilization. It is located in the archaeological region of the Petén Basin in what is now northern Guatemala. Tikal is the best understood of any of the large lowland Maya cities, with a long dynastic ruler list, the discovery of the tombs of many of the rulers on this list and the investigation of their monuments, temples and palaces.