The largest stone circle in the world has ended up bringing up more questions than it has answered.

The incredible private taxidermy collection of an eccentric zoologist.

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A roadside shrine to a late rock god only remains thanks to the unyielding efforts of his fans.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Pop culture has helped to keep this iconic British building from being destroyed.

The monster at the center of the Darwin Center Spirit Collection.

This London plaque marks the spot where David Bowie's famous alien made his debut.

Giant, friendly pelicans in Central London, the most unlikely of places.

Abstract dinosaur models in London.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Repository for more than 22 million pickled specimens.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

The remains of Crystal Palace Great Exhibition of 1851.

Eighty million natural history specimens call this gargantuan museum home.

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

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

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

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

This vast masterpiece of Moroccan architecture spreads across 20 acres.