Calakmul is one of the richest archeological sites in Mexico. Situated near the borders with Guatemala, this site belongs to the famous Maya civilization. Calakmul was among the most flourishing towns of the Maya tribes and controlled a large area of land.
Calakmul had a population of more than 50,00 people and it contained more than 6000 buildings. The town actually used to host the largest pyramid after built by the Maya in America. Today, many travel packages to Mexico include a visit to Calakmul.
This great pyramid, which is the highlight of the town today was over 45 meters in height. It used to host four tombs. As many other establishments by the Mayans, the pyramid was enlarged by building on it until it held the surface area of 2 square kilometers.
Mexico link: https://www.righttravel.info/country/mexico-41.html