It holds a fabulously designed tribute to astronomer Edmond Halley.

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

Once a 19th-century refuge for immigrants, this pub has hosted performances by Amy Winehouse and the Arctic Monkeys.

Amongst the decadent homes that surround London’s Regent’s Park stands a replica of one of Denmark's most significant national treasures

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

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

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

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.

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

London's smallest police station is barely the size of a phone booth.

The purported midpoint in London from which all distances are measured has a tragic love story at its core

An archway adorned with vulnerable flora and fauna.

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.

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

The niches over the western entrance of Westminster Abbey honor individuals from the 20th century who gave their lives for their Christian beliefs.

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

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

More than a million titles fill the labyrinthine shelves of this prestigious private library.

This statue includes the molehill that toppled a king.

Outside of one of Britain's most renowned social clubs, a step installed specifically for the Duke.

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

This tribute to the fictional detective stands at the famous literary character's address.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.