A masterpiece in Golden Gate Park by virtue of the artist’s debt.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

The rustic cabin-like decor of this Arts and Crafts-style church reflects the love of nature central to its little-known theology.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Faceless white figures loom over the city from the rooftop.

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

Recovered from the brink of extinction, at home in the Financial District.

One of few lasting examples of the brief octagon craze that developed into folly.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

A man-made island in scenic San Francisco Bay.

A garden oasis filled with flowers mentioned in the works of William Shakespeare.

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

The miraculous hydrant that saved the Mission District in 1906.

America's oldest Italian restaurant is a San Francisco institution.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

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

A promotional sun clock on the site of San Francisco's great raceway.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

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

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

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

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

A hidden subterranean installation offers a view of the sky.