In 1912 this place was known as Clarksville, referring to the nearby logging camp that was 3 kilometers north of the site.
[1] The site covers about 21 acres (85,000 m2), surrounded by dense sub-tropical rainforest, and it contains almost 200 mounds, that remain largely unexcavated.
The city appears to have functioned as a regional center and stop along the trade routes through the southern Yucatán from Campeche and Rio Bec area to the west, and the cities along the east-coast and to the south, in the el Petén region of Guatemala and neighbouring Belize.
After 700 A.D., this temple was covered over with a Terminal Classic construction, which protected the masks and accounts for the marvelous state of their preservation today.
The road approaches the site from the north and leads into an enormous central plaza ringed by pyramids and temple platforms.