The remains of a 12th-century chapter house in Golden Gate Park.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

The best place in the park to test out your throwing arm.

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

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

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.

This small oasis of flora and art was created in remembrance of a local auto business owner.

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

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

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.

This 19th-century church is now a popular roller rink.

Early prototype for Frank Lloyd Wright's Guggenheim.

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

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

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

This contorting sculpture is the tallest in San Francisco.

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

Sitting atop San Francisco's tallest hill, a cross honors the victims of the Armenian genocide.

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

This odd California folly seems like it was almost designed to accumulate urban legends.

A huge musical instrument played by the ocean.

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