A unique tribute to the millions of animals who served and died for the British military.

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

A little slice of Japan and its aesthetics in London's Holland Park.

The world's longest continuously running show has played at this small West End theater since 1974.

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

It holds a fabulously designed tribute to astronomer Edmond Halley.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

Rebuilt remains of a temple to Roman god Mithras.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

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

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

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

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

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

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

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

A sharp sculpture made of thousands of pieces of jagged glass.

An ancient octagonal weather station named for the eight Greek gods of wind.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.