But some areas, such as east-central Campeche, have received little attention ... which the researchers call Valeriana. This ...

including a hidden city named "Valeriana" with impressive pyramids. The discovery was made by analyzing existing LiDAR data ...

Late last year a New Orleans-based PhD student, Luke Auld-Thomas, unearthed a Mayan metropolis buried deep in the jungles of Mexico’s Campeche state. Valeriana, as the city’s been crowned ...