Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

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.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

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

The pockmarks across the building's facade are remnants of the Blitz.

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

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

The bronze uniforms commemorate the vital role of women during World War II.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

This ancient Egyptian obelisk still bears the wounds of World War I.

The commemorative stone column conceals a secret laboratory.

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

This one has sailed five times as far as Sir Francis Drake's famous ship.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

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

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

Giant, friendly pelicans in Central London, the most unlikely of places.

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

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

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

Artists and musicians now rule over this former rail station.

Scattered throughout London are ancient remnants of the city's former bounding wall.