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

Golden Gate Park's historic collection of plants.

This 19th-century church is now a popular roller rink.

With the touch of a button, you can read a randomly selected short story.

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

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

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

San Francisco's newly reopened hands-on science museum.

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

Tiki luxury on Nob Hill.

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

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

Olfactory delights in San Francisco's Botanical Gardens.

Its buzzing collection honors vibrator history.

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

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

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

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

A psychedelic labyrinth on the San Francisco bay.

This emblematic representation is said to bring the students good fortune.

This Scottish museum is the only one in the world to focus not on one religion but all of them.

A 200-year-old collection of oddities and medical paraphernalia.

This waterfall is one of the most spectacular natural features in the Scottish Lowlands.

The abandoned transportation hub hides within the Glasgow attraction it once served.