National Geographic HD (Pacific)

A toxic healing cup, Roman medicine and lost secrets of China are explored.

National Geographic explorer and scientist Albert Lin travels to Acre, Israel, in search of the lost fortunes of the mysterious Knights Templar.

Albert Lin travels to Micronesia, in the heart of the Pacific Ocean, to uncover the ancient island city of Nan Madol.

Albert Lin travels to Colombia to find out the truth about the legendary city of El Dorado.

Albert Lin travels to Petra, Jordan, to discover the origins of the famous city; he learns that it was built by the Nabataeans and reveals that the ancient city of Petra was part of a much larger network than he had ever imagined.

Albert Lin travels to the Peruvian mountains to discover the origins of Machu Picchu; Albert finds evidence of people who came before the Incas and reveals that the Inca city may have been inspired by another even older civilization.

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Archaeologists dive into a flooded pyramid near the Nile to search for a king's burial that could reveal clues about the ancient kingdom of Kush.

A cemetery crammed with skeletons offers tantalizing clues about the collapse of the Inca Empire.

Monumental remains of the Inca mark the empire's vast expansion.

The Inca Empire's golden age shines with riches, sparking the El Dorado legend.

The mighty Inca Empire collapsed in less than a decade to Spanish conquistadors.

Enslaved warrior Spartacus rises as a gladiator to lead a revolt against Rome.

Spiculus, Nero's champion gladiator, rises to fame amid Roman combat games.

Marcus Attilius, citizen-turned-gladiator, fights for survival in Pompeii.

Beast hunter Carpophorus rises in Rome's Colosseum, but at a brutal cost.

Rome watches in horror as Commodus, mad with power, becomes a gladiator.

Gladiator Flamma rises from Syrian soldier to arena legend in Sicily.

Underground chambers, medieval tombs, old ruins and fossils are uncovered.