Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

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

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.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

A library and museum dedicated to typography.

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

Furniture tries to escape an abandoned building in San Francisco.

An essential stop before plundering, BYO Cutlass.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

Its buzzing collection honors vibrator history.

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

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

This giant head is all that remains of a once proud statue that survived an earthquake but not a fall off of a wagon.

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

A huge musical instrument played by the ocean.

A striking public sculpture representing the period of martial law in Communist Poland.

A wunderkammer of mysterious objects and stories.

The largest manmade caves in Europe now function as a motorbike club's headquarters.