Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

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

Rebuilt remains of a temple to Roman god Mithras.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

A quiet memorial to those who died saving others in the heart of the City of London.

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

A cluttered and astounding collection of antiquities and curiosities.

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

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

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

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

A comfortable-looking armchair and a grandfather clock have been sitting on this sidewalk for the last 30 years.

One of the largest mechanical models of the solar system in the world.

The house in the middle of the motorway.

This sculpture pays homage to Shakespeare and his reference to a Manningtree tradition.

This surreal art house looks like a geometric version of a small chapel.

This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.