Set in the Grand Canyon, 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.
The Lost Treasure of the Grand Canyon
In the early days of the 20th century, an entire team disappeared while on an expedition deep into the Grand Canyon in search of a long-rumored hidden city.
