Secret Structures of Guatemala

E1

Archaeologists identify a series of unknown structures in Guatemala.

Mystery Skeleton of Belize

E2

Experts investigate a structure built above the rain forests of Sri Lanka.

Mystery Fossil of Madagascar

E3

Scientists discover a fossil unlike any known animal, living or extinct.

Enigma Animal of Colombia

E4

In Colombia, a team of scientists discover an unidentified animal vertebra.

Riddle of the Ancient Rhino

E5

In the Philippines, archaeologists discover ancient rhinoceros remains.

Pohnpei's Ancient City

E6

Explorers discover ancient structures hidden on the island of Pohnpei.

Creature of Lake Eacham

E7

A mysterious creature that glows in the dark is discovered at Lake Eacham.

Stone Secrets of Kilwa Island

E8

A puzzling site containing large stone blocks is revealed on Kilwa Island.

Secret Cave of Kolombagara

E9

On the island of Kolombagara, explorers uncover a mysterious man-made cave.

Mystery of Mexico's Skull Cave

E10

In Mexico, a rancher discovers dozens of skulls and bones on a cave floor.