Piedras Negras
Sourced from Wikivoyage. Text is available under the CC-by-SA 3.0 license.
Understand
The archaeological ruins known as Piedras Negras are on the eastern bank of the Usumacinta River, opposite the Mexican border in northwestern Guatemala. The site was one of the largest and most important of the Classic Maya period. It used to have many magnificent limestone sculptures, relief panels, and stelae, but most are now in museums.