This early Norman castle was the first historical monument protected by an act of Parliament.

A line of iron bollards with colorful, handknitted cozies fitted over them.

Home to one of the tallest church spires in Europe, this historic church once played host to King Henry VIII and Anne Boleyn.

A giant roundabout made up of six smaller roundabouts can befuddle the uninitiated.

The world's oldest model village.

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

Flying high, this unusual hornet statue celebrates the local soccer team formerly owned by Elton John.

Above an abandoned Underground station, this charming bookstore is home to strange antiquities and literary works.

A marine aquarium with an astounding variety of fish hides in the basement beneath the famous Palm House.

A gallery specifically dedicated to the botanical illustrations of a remarkable traveling lady.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

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

A museum wholly devoted to juvenescence.

Ship-sized kinetic sculptural fantasy.

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

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

This luxury shopping lane has been protected by its own tiny police force for over a century.

An ornate and disused early 20th-century building has been given new life as a fully operational structure, complete with offices, oyster bar, and a furniture retailer.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

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

Eighty million natural history specimens call this gargantuan museum home.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

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