Sixteen hundred years ago, the inhabitants of the powerful ancient Maya kingdom of Tikal looked to the west and saw red. On a hilltop, in their direct line of sight, stood the Temple of the Night Sun.

The Mayan archaeological sites belong to the World cultural heritage. The porous nature of limestone and stucco (calcareous coating) along with the high humidity and temperature typical of Southern ...

Choked by rainforest and crowded with fallen leaves, palms, and chunks of stone, the little-known site of Chochkitam, Guatemala, seems an unlikely place for a breathtaking archaeological find—much ...