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Now named Valeriana, this lost metropolis is believed to be one of the densest Mayan cities ever discovered. At its peak (between 740 and 850 A.D.), it may have housed anywhere from 30,000 to ...

Scientists Document Lost Mountain Cities on Silk Road in Uzbekistan By Will Dunham (Reuters) - In the mountains of Uzbekistan, archaeologists aided by laser-based remote-sensing technology have ...

(CNN) — Lost for centuries, two cities lay buried, nearly 5 kilometers (3 miles) apart, underneath grassy pastures in the mountains of Uzbekistan. Now, archaeologists for the first time have ...