A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

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

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

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

The last four extravagant street signs of London's historic banking street.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

Two plaques commemorate the site of Shakespeare's first theatre.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

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

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

An artistic tribute to the famous singer, just around the corner from where he was born.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A student driver's nightmare.

A small but immensely extravagant palace built by the "Night King."

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

This painted Lego bridge is the product of over a century of locomotive history.

A tiny island is connected to the mainland by a private railway that residents travel in their own personal wagons.

This sublime architectural marvel is a rare example of an expressionist church.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

The steepest classic funicular in the world glides along a dizzying incline.

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.