Historical trolley restoration and operation at History San Jose, Kelly Park.

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

San Francisco Bay's ghost town.

A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.

This odd California folly seems like it was almost designed to accumulate urban legends.

A humble garage, world-famous for being the epicenter of a technology revolution.

If you are looking for a used Russian battery, Chinese Ham Radio or other electronic oddities this Flea Market is a good place to start.

A rococo retro-futurist future-rustic vernacular between yesterday’s tomorrow and the future that never was.

Furniture tries to escape an abandoned building in San Francisco.

Once the site of speeding horses, now home to picnickers and public concerts.

Perfect your fly fishing technique on their practice ponds.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.

A modest reminder of treacherous waters at the Golden Gate.

Art in the form of a winding, man made crack in stone.

Guns that have been defending San Francisco since 1904.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

This turn of the century masterpiece has a mysterious goaty interloper.

An overlooked and unassuming engineering marvel.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

A 300-ship graveyard, with a few still visible at low tide.

The remains of a ruined mansion memorialize the 1906 earthquake.