Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

An art supply shop holds the secrets of this quiet neighborhood's raucous Barbary Coast past.

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

A brooding mansion of clinker brick stands out among the Victorian houses of Pacific Heights.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.

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

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

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

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

One of the last remnants of the city's Chinese nightclub scene is now a dive bar selling killer mai tais.

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

A monument to the love people have for their pets.

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

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

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

An overlooked and unassuming engineering marvel.

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

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

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

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

The restored and active Victorian-era final resting place of San Francisco.

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

Golden Gate Park's historic collection of plants.