A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

A cluttered and astounding collection of antiquities and curiosities.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

The curios of pharmacist and collector Henry Wellcome.

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

The anatomical-pathological collection of a man who changed surgery.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

These pretty kitties killed and ate as many as 135 railway workers.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A monument to the art of slicing people open.

Yo, Adrian!

This elaborate towering structure was once famed for its revolutionary height.

The first American department store, and home to the largest operating musical instrument in the world.

In the early 1800s, surgery was also a show.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The mummified relic of St. Antoninus.

Art and armour fill every inch of this rich kid's Italian villa.