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

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

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

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

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

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

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

Early prototype for Frank Lloyd Wright's Guggenheim.

Over 315,000 preserved amphibians and reptiles in jars.

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

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.

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

A man-made island in scenic San Francisco Bay.

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.

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

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

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

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

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

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

An overlooked and unassuming engineering marvel.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

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.

With the touch of a button, you can read a randomly selected short story.