One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

A Roman-inspired temple once controlled half of San Francisco's waters.

340 bicycles, 65 feet high.

From the Difference Engine to the Cray-1, all under one roof.

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

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

Tiki luxury on Nob Hill.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

Faceless white figures loom over the city from the rooftop.

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

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

A shining, cold, black organ lies in San Francisco's financial district.

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A giant chess set, minus the psychedelic drug trip.

This giant temperature attraction created some giant electric bills.

A classically inspired temple in Redwood City.

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

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

Step back in time on this preserved 1800s farm.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.