In Mexico, explorers use a sacred ancient Mayan temple code to search for an occult underworld engineered in the depths of the earth–a mysterious site where no TV cameras have ever ventured. In Britain, investigators uncover the secret technologies behind a life size statue of Jesus Christ that miraculously came to life. Weapons experts reveal the science that saved a holy military order from certain annihilation in the bloodiest siege in history. In Greece, archaeologists solve the mystery of the oracle of the dead; an eerie sanctuary where flying ghosts appeared from the depths of hell.