Ruins of cities keep turning up in the forests of central America. How have these structures stayed standing for millennia?

Thousands of Mayan Indians lost homes as Hurricane Dean blew through the Yucatán Peninsula, but their real wealth was the trees, now ...

Archaeologists find new clues why the Maya left YUCATAN, Mexico - Bird calls ring from the forest, echoing amid the crumbling ruins whose darkened doorways have long beckoned explorers and scholars.