L'Atlantide

Set in 1896, L'Atlantide concerns the exploits of two French officers searching for missing comrades in the desert. During their rescue mission, the pair are kidnapped and taken to the subterranean lair of the goddess Antinéa (played by Metropolis's Brigitte Helm) in the ruins of the city of Atlantis the infamous realm had not sunk beneath the sea but instead been buried under the sands of the Sahara.