It holds a fabulously designed tribute to astronomer Edmond Halley.

Look up from the busy streets to discover how time is kept!

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

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

Down a pint of ale where the Bishop of Ely's servants slept in 1546.

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

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.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

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

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Eighty million natural history specimens call this gargantuan museum home.

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

The commemorative stone column conceals a secret laboratory.

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

A network of bells in the pubs and restaurants around Westminster alerts politicians when it's time to cast their votes.

This coffee shop lies hidden beneath a historic church.

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.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

One of America's founding fathers lived in this London lodging between 1757 and 1775.

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

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.