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

The miraculous hydrant that saved the Mission District in 1906.

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

A four paneled, brightly multicolored mosaic adorns the side of this popular grocery store.

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

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

An artsy hidden staircase leads to breathtaking views of San Francisco.

Fonts are born and bred here at the oldest letterpress type foundry in the United States.

A monument to the love people have for their pets.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.