Albert Lin travels to Micronesia, in the heart of the Pacific Ocean, to uncover the ancient island city of Nan Madol. Exploring the tombs, temples, and ritual sites, all built on man-made islands now shrouded by centuries of jungle growth, Lin discovers not just a city but an entire ocean continent, spanning thousands of miles.

Albert Lin uncovers a lost city that predates Stonehenge by 4,000 years; the "Manhattan" of its day, Blick Mead could hold the secret to why one of the world's most famous monuments was built.