Nan Madol, Micronesia

Nan Madol was the seat of the Saudeleur dynasty. Some basalt blocks weigh several tonnes, and how they were moved is still debated.

The story, as a puzzle

Islands of stone.
Nearly a hundred artificial islets, built of stacked basalt columns on a coral reef, formed the ceremonial centre of a Pacific dynasty. Pin it.

Where it is

Nan Madol, Micronesia · 6.8419, 158.3322

Source: UNESCO World Heritage Centre ↗