Andean & Pacific Archaeological Mysteries

Geoglyphs visible only from the sky, an Inca citadel above the clouds, megalithic stonework cut to the millimetre, and the monolithic statues of a remote Pacific island.

1. 1
   Nazca Lines

   Hundreds of enormous geoglyphs etched into the Peruvian coastal desert — perfectly visible only from the air, created by a culture with no flight.

2. 2
   Machu Picchu

   The Inca citadel built at 2,430 metres with no mortar, earthquake-resistant construction, and an astronomical alignment system still not fully mapped.

3. 3
   Puma Punku

   Massive H-shaped stone blocks, machined to tolerances of fractions of a millimetre, built at 3,840 metres above sea level by a civilisation without writing or iron tools.

4. 4
   Easter Island — Rapa Nui

   A remote volcanic island bearing 900 monolithic statues whose civilisation collapsed under circumstances still not fully understood.