The Lost Treasure of the Grand Canyon

Also known as Le trésor perdu du grand canyon, Dragon Fear : À la Recherche du Trésor Perdu, Lost Treasure Of The Grand Canyon, Сокровище Гранд-каньона

A team of Smithsonian researchers have stumbled across a lost walled Aztec city guarded by some evil spirits, including a "great flying serpent of death." As days turn to weeks, Susan Jordan, the daughter of the professor leading the expedition, assembles a team to rescue her father and his colleagues from the clutches of the ancient Aztec warriors and their horrible serpent god.