QuoteFor the first time, filmmakers in the forests of Borneo's Mount Kinabalu have documented the so-repulsive-it's-captivating behavior of a large, red, worm-guzzling predator. While it remains unclassified by science, the animal is known to the area's tribespeople, fittingly, as the "Giant Red Leech."

QuoteDeep in the Cambodian jungle lie the remains of a vast medieval city, which was hidden for centuries. New archaeological techniques are now revealing its secrets - including an elaborate network of temples and boulevards, and sophisticated engineering.