Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

This black cat was actually designed to ward off bad luck.

Though it's not the largest, this one-kilometer outdoor market is reportedly the longest in Europe.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

This medieval church tower has maintained its clockworks since the 16th century.

This mysterious and unique painting is filled with symbolism.

Legend has it that seven Anglo-Saxon kings were coronated on this stone, located in the appropriately-named town of Kingston.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

An architectural oddity hides in plain sight on this iconic London bridge.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

The ritual has been performed uninterrupted for nearly 700 years.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

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

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

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

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

London's smallest police station is barely the size of a phone booth.

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