Furniture tries to escape an abandoned building in San Francisco.

One time home to turn of the century explosives, now hidden under the Bay Bridge.

A quiet nook at the top of a little-known hilltop park named after California's first poet laureate.

A modest reminder of treacherous waters at the Golden Gate.

A monumental cross hides in the trees in Golden Gate Park.

The taxidermied remains of the "last wild grizzly bear in California" and of the symbol of the state of California.

This surreptitious shop is only open five hours per week.

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.

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

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

A man-made island in scenic San Francisco Bay.

The miraculous hydrant that saved the Mission District in 1906.

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

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

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

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.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's newly reopened hands-on science museum.

A museum befitting the city responsible for supplying the majority of the world's LSD.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.