One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

A relic of Victorian grandeur hides beneath a busy South London road.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

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

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

A clock designed to run with perfect accuracy for 10,000 years.

Abstract dinosaur models in London.

This hidden green space is the city's second largest conservatory.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

A tongue-in-cheek arcade where the games are based on everyday life.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

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

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

A kaleidoscopic warehouse-maze of handmade neon signs.

This sublime architectural marvel is a rare example of an expressionist church.

Danish observation tower designed to look like a giant beer bottle.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

Micro-nation based around a nine-story high illegally built tower.

A memorial to a Swedish hockey player's "encounter" with aliens.

Step inside Lucy, the world's largest "elephant."