One of the smallest bookstores on the planet.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

This print shop boasts one of the largest pinball arcades in San Francisco.

This surreptitious shop is only open five hours per week.

This 19th-century church is now a popular roller rink.

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

A library and museum dedicated to typography.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

The only theatre in the world constructed specifically for sound movement.

In this century-old literary safehouse, print is alive and well.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

A psychedelic labyrinth on the San Francisco bay.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

The largest Star Wars collection in the world is its own galaxy of collectibles.

Junkbots and mud babies are the masterpieces in this fantastically sci-fi art museum.

The final resting place of a woman who never gave up on love.