Pasadena Digital History > Collections

Pasadena Digital History Collaboration needs your help to find out more about these photos! If you recognize any people, places, or things in one of these photos, please share with us what you know! Tell us about it in the Comments section for each photo!

The Mystery Photos represent just a small sampling of the PDHC's collection. The database currently contains more than 20,000 records related to Pasadena’s history. To view and search our entire collection, please visit us at