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

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.

Guns that have been defending San Francisco since 1904.

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

This giant head is all that remains of a once proud statue that survived an earthquake but not a fall off of a wagon.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The largest whiskey stash on the West Coast survived the 1906 fires--but not without heroic effort.

The oldest dim sum restaurant in the United States is a nostalgic jewel.

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

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

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

A mysterious painting of the self-declared Emperor of the United States watches over a local hof-brau.

The only visible piece of San Francisco's most famous shipwreck.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

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

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

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

Amazing meticulous gardens of personal wood carvings, Hydrangea, Canna, and many other flowers.

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

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

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

Early prototype for Frank Lloyd Wright's Guggenheim.

Russian history in San Francisco.

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