This antique shop specializes in the history of print and design.

A 1920s home transformed into an immersive art experience, where every room is a portal to another realm.

Radioactivity still cause for concern at this urban explorer's paradise.

An art supply shop holds the secrets of this quiet neighborhood's raucous Barbary Coast past.

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

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

Over 315,000 preserved amphibians and reptiles in jars.

Russian history in San Francisco.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

Early prototype for Frank Lloyd Wright's Guggenheim.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

A library and museum dedicated to typography.

An overlooked and unassuming engineering marvel.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

A hidden subterranean installation offers a view of the sky.

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.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

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

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

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

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

A psychedelic labyrinth on the San Francisco bay.

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