Relics of the 1894 Midwinter Exposition continue to delight visitors today.

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

Its buzzing collection honors vibrator history.

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

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

A huge musical instrument played by the ocean.

A psychedelic labyrinth on the San Francisco bay.

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

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Olfactory delights in San Francisco's Botanical Gardens.

This shop specializes in oddities and Victorian-inspired wonders.

Nose around a unique collection of more than 300 natural aromas used to craft perfume fragrances.