This painted marvel is San Francisco's 400-foot ode to urban biking.

The first fresco Diego Rivera painted in the United States can be found in the former San Francisco Stock Exchange.

A former hardware store near Yerba Buena is the official home of California's history.

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

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

Only hotel where you can legally launder money.

Guns that have been defending San Francisco since 1904.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

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

A free, public museum dedicated to the fascinating science of sight.

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

A man-made island in scenic San Francisco Bay.

Gold Rush-era tombstones line the park's paths.

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

Golden Gate Park's historic collection of plants.

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

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

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.

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

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

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A winding path built in secret on the edge of the continent.

This shop specializes in oddities and Victorian-inspired wonders.