An invitation-only museum of items natural and bizarre, arcane and exotic.

A shining, cold, black organ lies in San Francisco's financial district.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

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

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

Its buzzing collection honors vibrator history.

Olfactory delights in San Francisco's Botanical Gardens.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

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

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

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

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

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

A curious blend of taxidermy, antique tools, creationism, and a purported antediluvian rock.