Archaeologists in Guatemala uncover an ancient site with a collection of mysterious structures and scientists thoroughly study a jellyfish-filled lake.

In Belize, researchers stumble upon a skeleton in the depths of an enigmatic cave and an expedition on a remote plateau in Cambodia unveils the remnants of an ancient city.

On the island of Madagascar, palaeontologists discover an intact fossil unlike any known animal, living or extinct.

In the tropical lowlands of Northern Colombia, a team of scientists discover a massive, unidentified animal vertebra and dozens of jars packed with bones are uncovered in Cambodia.

In the Cagayan Valley, archaeologists uncover the remains of an ancient rhinoceros and a thriving population of deadly vipers on a Brazilian island poses a formidable challenge.

On the island of Pohnpei in Micronesia, explorers discover ancient structures hidden beneath dense vegetation and a strange glowing forest is discovered in India.