Leonard Cianciolo, DC

In the age when even books are being downloaded, it is actually a treat to be able to hold a book in your hands, read it and turn the pages. If technology is making books collectible, then that fact is celebrated every day at Green Apple Books. This extensive retailer and online store will not only have your purchases delivered to your door, they will also buy back your old books and give you credit for them on your purchases. There are always special events going on in the store like readings and book signings, so check the website regularly. Also, while you're online or in the store, pick up a cool Green Apple Books t-shirt or bookbag.

For a look back that stretches all the way to the nation's colonial period, check out the awe-inspiring exhibits at the de Young Museum. This venue was first opened in 1895 and holds the distinction of being the city's oldest, most diversified museum. Even though it was remodeled in 2005 and several of its exhibits were updated, it still stands as one of the world's most fascinating collections of African, Oceanic, and pan-American art. This is highly worth checking out!

Every step is crucial when you are on a rock climb. That sense of adventure and agility isn't for everyone, but if your idea of an afternoon of fun is scaling one of Northern California's rocky terrains on a recreation adventure, then let the pros at Mission Cliffs guide you all the way up, and then back safely all the way down.