Legend says the goddess this shrine honors curses any couples that pass by.

A modern day curiosity cabinet.

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

A quiet marker in memory of local men and women lost in WWI.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

Radioactivity still cause for concern at this urban explorer's paradise.

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

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

Appropriation-friendly collection of books, periodicals, and more.

This shop specializes in oddities and Victorian-inspired wonders.

The remains of a ruined mansion memorialize the 1906 earthquake.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

If you dial the number in this abandoned office window "Sam Spade’s" secretary will ask you to leave a message.

One of the best absinthe distilleries in the United States.

An extensive collection of ancient Egyptian artifacts and mummies.

San Francisco Bay's ghost town.

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

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

Of all the origin stories for weed's secret code, this one likely has the goods.