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

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

Overflowing with shipping containers, this location has been transformed into a massive workspace for artists.

This contorting sculpture is the tallest in San Francisco.

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

The oldest dim sum restaurant in the United States is a nostalgic jewel.

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

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

A Barbary Coast watering hole built into a Gold Rush shipwreck.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

A hidden subterranean installation offers a view of the sky.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

With the touch of a button, you can read a randomly selected short story.

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.

Visible below the waves are memorials to the city's Gold Rush dead.

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

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

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

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

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

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

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

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

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