A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

On the eve of a condemned prisoner's death, this bell rang 12 times outside their cell.

One of the oldest remaining Catholic churches in England is home to the hand of a 7th-century saint.

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

The door of St. Lawrence’s Church features small scars from a battle that took place nearly 400 years ago.

This monstrous face has watched over passersby for centuries.

This massive piece of artwork weighs more than 250 tons, and was designed as a tribute to the first president of the United Arab Emirates.

This building contains a door only used by members of the royal family.

Inspired by Thomas Stothard's painting of the "Journey to Canterbury," albeit with Canterbury natives.

An 18th-century estate owner thought these cottages were an eyesore, so he artfully disguised them as a church.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

A faithful reproduction of Al-Jazari's enormous water clock.

This enormous sports car themed amusement park is home to the world’s fastest roller coaster.

In addition to escorting prospective couples to and from ballrooms, this lane was also a place for gentlemen to settle scores.

Whitewashed mosque contains the world's largest carpet.

Feed it cash, get your very own gold bar.

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”

This Edwardian workhouse tells a harrowing story of those who were forced to trade hard labor for lodging.

Was the ravaging reptilian that terrorized this village a dragon, or an escapee from a London menagerie?

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

The lasting remains of the Balloon Section of the British Armed Forces.

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

The river that gave its name to a 1960s musical movement has a rather inauspicious starting point in town outside of Manchester.