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

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

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

The Great Fire of London and the regulation of one-way streets both started in this alley.

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

This Underground station has been a popular filming location for decades, even before it closed.

This overlooked street light once served as a KGB dead letter box.

A hands-off space for graffiti artists to hone and display their skills.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

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

This coffee shop lies hidden beneath a historic church.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

A living memorial to the trees London lost during the Great Storm of 1987.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

These ornate arches show how the course of the River Thames has changed.

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