Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The cedar tree in Highgate Cemetery earned its title by accident.

A naturally mummified 2,000-year-old man.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

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

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Abstract dinosaur models in London.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A little slice of Japan and its aesthetics in London's Holland Park.

The television series' iconic giant foot was borrowed from this classical painting.

The largest of London's subterranean rivers and once a mad, bad center of London life.

A cluttered and astounding collection of antiquities and curiosities.

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

This 1920s Dutch barge is now a floating bookstore.

The curios of pharmacist and collector Henry Wellcome.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The oldest landmark of Toronto is a testament to shifting sands.

Canada's largest dinosaur skeleton was hidden away in storage for more than 40 years.