The cable car system is a famous part of San Francisco, with history dating back over 150 years. In that time, a lot of things have changed about the system, but some haven't.
This episode of Ungeniused is sponsored by:Weirdly, a family member of Stephen's took one of the photos in this story.
San Francisco cable car system - Wikipedia Market Street Railway (transit operator) - Wikipedia 1906 San Francisco earthquake - Wikipedia