Beyond the beaches and resorts of the Bahamas, Andros Island is the country’s best-kept secret. A hidden world of blue and black holes pockmarks the coastline and interior. Andros has 200 blue holes, ...

Twenty years ago, a cave diver found thousands of fossils in a blue hole on Great Abaco Island. The fossils reveal the island's Ice Age history, with pristine specimens of now-extinct species.