Oasis of the Zombies

La tumba de los muertos vivientes is a movie starring Manuel Gélin, Eduardo Fajardo, and France Lomay. An expedition searching for treasure supposedly buried by the German army in the African desert during WW II comes up against an...
In a remote desert oasis, a fortune in gold was hidden by the Nazis during World War 2. 50 years later, a bunch of fortune-hunters converge on that selfsame oasis. Imagine their discomfiture upon discovering that the gold is being guarded by an army of zombies.