The ancient Maya city of Yaxchilan rises on the Mexican shore of the mighty Usumacinta river, across from its rival city of Piedras Negras, some 35 kilometers (21 miles) downstream on the Guatemala side. Even to this day, the only access to Yaxchilan is by boat, along the river.   […]

Source: The legendary Yucatan Hall of Records found at Yaxchilan? Strange Labyrinths and Edgar Cayce – Part I