Just as Tikal dominated the Maya lowlands for centuries ... When she got to Calakmul, whose two central pyramids were easily visible from the air, she was amazed by its size—roughly 50,000 ...

Calakmul is a UNESCO World Heritage Site,with two very large pyramids you can climb. The largest one, Structure 2, is more ...

NEW ORLEANS — Archaeologists using laser-sensing technology detected what may be an ancient Mayan city cloaked by ... known pre-Hispanic metropolis of Calakmul in the southern part of the ...