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

A famous alternative culture epicenter and where Joplin serenaded young hippies.

A psychedelic labyrinth on the San Francisco bay.

Tiki luxury on Nob Hill.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

Reverend Franzo Wayne King administers spiritual enlightenment through the music of the jazz legend.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

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

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

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

Its buzzing collection honors vibrator history.

Half of a house.

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

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

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

A watering hole where the options for seating include a bar, patio, or subterranean cave.

"You don't need a rocket scientist to build a steam engine, but we've got one." -Museum docent on the credentials of a restoration volunteer.

An old-timey medicine shop that once served Chinese laborers during the Gold Rush is still open for business to this day.

The largest drain hole in the world.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

If you dial the number in this abandoned office window "Sam Spade’s" secretary will ask you to leave a message.