Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

A huge musical instrument played by the ocean.

A 300-ship graveyard, with a few still visible at low tide.

A winding path built in secret on the edge of the continent.

A miniature view of the park, caught in time.

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.

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

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

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

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

An essential stop before plundering, BYO Cutlass.

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

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

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

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

Perfect your fly fishing technique on their practice ponds.

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

This private residence was the template for one of the most beloved television homes of all time.

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

The remains of a ruined mansion memorialize the 1906 earthquake.

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

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

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.