Historical Treasure Hunt & Exhibition | June 12-Sept. 30

June 12th through September 30th

Download our Historical Treasure Hunt Brochure (map and rules inside)

Summer is the perfect time to find hidden treasures of Mill Valley. Whether natural phenomenon or local historical landmarks, there is much to discover. Visit the Mill Valley Public Library’s lower level gallery space to photos of significant places and historical artifacts that exist right here in our own backyard and take part in our Historical Treasure Hunt. Earn raffle tickets and a chance to win prizes by visiting selected sites featured in the exhibition and sharing them with the Library and community.

How it works:

1. Check out our historical photo exhibit located in the lower level gallery space of the Mill Valley Public Library.

2. Pick up a Historical Treasure Hunt brochure in the gallery, or click here to download one. Use the brochure to find the historical treasures in real life.

3. When you find one of the sites listed in this brochure, take a photo of it, and share it to earn one raffle ticket per entry. Share your photo in one of these ways:

  • Post with #mvhistorytreasures to Instagram (if your account is public) or to Twitter
  • Email the photo to
  • Bring in a physical copy to the Lucretia Little History Room (hours here)

BONUS: To earn additional raffle tickets, using the methods above, share photos of the things and places in Mill Valley that you consider hidden treasures and tell us why! (Limited to 5 bonus raffle tickets)


Prizes include gift cards to local businesses, a gift basket of local goodies, and a framed print of your choice from our collection of historical photographs (due to copyright some restrictions may apply).


  • Anyone and everyone is welcome to play! Please be respectful of historical sites.
  • Each photo you submit counts as one ticket for our monthly raffles. Limit 5 bonus tickets per person.
  • Remember, if you are submitting a photo for a bonus ticket, you must tell us why you consider it to be a local hidden treasure.
  • At the end of July, August, and September we’ll notify monthly raffle winners.