Ek' Balam is a pre-Columbian archaeological site in municipality of Temozón inYucatán, Mexico. These building were constructed by the Maya civilization. The site is located 30 km north of Valladolid, 2 km away from a small Mayan village by the same name. In the Yucatec Maya language the name means "Black Jaguar". In ancient times, it was a large city, controlling a populous and prosperous countryside. Its impressive architecture dates, for the most part, to the Late Classic.

from Wikipedia: http://en.wikipedia.org/wiki/Ek'_Balam