An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

More than a million titles fill the labyrinthine shelves of this prestigious private library.

William Smith's iconic "map that changed the world" is hidden behind a curtain in the Geological Society building.

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

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

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

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

The real clothing store that inspired a fictional spy organization's front.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

Heralded as the oldest statue in London.

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

A plaque marks the underground site of one of London's "lost rivers."

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

It is still illegal to "quarrel" at this unlikely urban oasis built on top of an electrical substation.

This five-star hotel was originally a swanky parking garage.

A unique tribute to the millions of animals who served and died for the British military.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

A commemorative plaque at the door pays tribute to an "American Patriot" known for his betrayal.

This historic London residence was once the womb of Scientology.

The collection contains over 25,000 items and details the painful dental practices of the past.

This knockout museum lies in a sleepy corner of London.