Easter Island / Rapa Nui

Archaeological investigations have revealed that the moai statues were carved primarily between 1100 and 1700 AD by the Rapa Nui people using tools made from harder basalt stone. Excavations at the Rano Raraku quarry site have uncovered the buried bodies of many statues, confirming that what appears to be just heads are actually full figures that have been covered by centuries of sediment accumulation. The quarry contains nearly 400 statues in various stages of completion, providing insights into the carving process and artistic evolution over time.

Key researchers including Jo Anne Van Tilburg and the Easter Island Statue Project have conducted systematic studies revealing that the statues average 13 feet in height and weigh approximately 13 tons each. The red scoria topknots, called pukao, were carved at a separate quarry called Puna Pau and transported to crown select statues. Recent experimental archaeology led by researchers like Carl Lipo and Terry Hunt has demonstrated that teams of people could move moai statues upright using ropes in a coordinated rocking motion that simulates walking.

The scientific consensus supports human engineering and organization as the explanation for moai transportation, with the 'walking' method matching oral traditions passed down through generations. The rongorongo script, found on wooden tablets, remains one of the few undeciphered writing systems in the world, though scholars believe it represents an indigenous Polynesian script rather than evidence of outside influence. While much has been learned about Rapa Nui civilization, questions remain about the precise population levels, the timeline of environmental changes, and the complete meaning behind the statues' positioning and orientation across the island.