Believe It or Not (Second Series) #1 (1931)

This first entry in the "Believe It Or Not" series of shorts visits northern Africa. Included are a look at the Tuareg people of the Sahara Desert, a waterfall whose under-surface builds up because of lime deposits, a clock that strikes 13, and the Tree of Abraham, estimated to be 3500 years old.

Unfortunately the movie Believe It or Not (Second Series) #1 is not yet available on HBO Max.