Half of a house.

A brooding mansion of clinker brick stands out among the Victorian houses of Pacific Heights.

A modern mechanical planetary system, part of a 10,000 year clock.

The restored and active Victorian-era final resting place of San Francisco.

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

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

A psychedelic labyrinth on the San Francisco bay.

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

A huge musical instrument played by the ocean.

A 140-year-old castle with underground caves hidden in San Francisco.

Nuclear waste dump site now an environmental sanctuary.

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

Approximately 250,000 people left homeless by the great earthquake and fires found shelter in Golden Gate Park.

Appropriation-friendly collection of books, periodicals, and more.

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

A library and museum dedicated to typography.

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

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

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

An essential stop before plundering, BYO Cutlass.

The miraculous hydrant that saved the Mission District in 1906.

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

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

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