<p>　　National Geographic Explorer Albert Lin ventures into the Guatemalan jungle to explore how a new high-tech treasure map is revealing tens of thousands of ancient ruins. Now, dozens of archaeologists are heading on a voyage of discovery, exploring lost ruins for the first time in 1500 years. And what they&#39;re finding is rewriting the history of one of the world&#39;s most mysterious ancient civilisations - the Maya.<br/>　　Episodes include…<br/>　　1 Secrets of the Snake Altar<br/>　　2 Secrets of the Underworld<br/>　　3 Secrets of the Sun God<br/>　　4 Secrets of the Lost City</p>