340 bicycles, 65 feet high.

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

Shoot for par over the bodies of the dead on this cemetery-cum-golf course.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

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

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

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

A unique piece of graffiti offers a little slice of local history and mystery.

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

Half of a house.

The only theatre in the world constructed specifically for sound movement.

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

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

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

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

Art from the latest counter-culture; kids who dye their hair blue and believe the future will be a post-apocalyptic water world.

The miraculous hydrant that saved the Mission District in 1906.

Olfactory delights in San Francisco's Botanical Gardens.

A beautiful memorial tells the story of a formerly enslaved woman whose kindness shaped a burgeoning city.

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

A cult following celebrates the legend that belies this curious podiatrists' office sign which has worked its way into song, literature, animation, and the visual arts.

An art collective teaching the more fiery, metal-y art forms.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.