a whole city of 50-ton basalt logs stacked on a reef in the middle of the Pacific

Nan Madol, off Pohnpei in Micronesia. and I don't think people grasp how remote this is, you are in the open Pacific. 92 artificial islets built ON a coral reef, separated by canals, the 'Venice of the Pacific.' walls made of long basalt columns, hexagonal natural columns, stacked log-cabin style wi……