The Lost City of Cecil B. DeMille (2016)

In 1923 Cecile B. DeMille made his first version of The Ten Commandments. He built a huge City of the Pharos. When he was done, it vanished. 30 years ago Peter Brosnan heard this story in a bar and decided to hunt for it. After wandering in the California dunes, he found it and now he wants to dig it up.