KALW listener Richard Goldman wanted to know if there was ever an exotic zoo in Glen Canyon, and whether there was a railroad that connected the canyon to downtown San Francisco.
Today, Glen Canyon is a preserved open space surrounded on all sides by the urban bustle of San Francisco — but that wasn't always the case.
To find out just what this "monkey ranch" actually looked like, we sent reporter Jesse Rhodes to dig up the answer. Click the audio player above to hear the answer.
This story first aired in September of 2017.