This statue of one of the engineers who created the London Underground hides a ventilation shaft for the tube lines that run under the street.

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.

The Tudor-style cottage in the middle of the square is not quite what it seems.

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

A quirky statue in Bermondsey made by 100 public participants with goggles, chisels, and mallets.

A sculpture outside London's oldest cathedral honors the Mohegan chief who died while petitioning the king.

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

The sculpture of the deceased cockatoo flops atop its personal plinth.

A tribute to an explorer and naturalist often overlooked by history.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

This mysterious and unique painting is filled with symbolism.

A haunting painting meant to capture the calamity of World War I.

This house was home to a succession of park keepers for more than 90 years, but in all that time, it never had a toilet.

Pop culture has helped to keep this iconic British building from being destroyed.

A memorial to a dog that inspired rioting in the streets of London.

The sole surviving medieval street cross in Scarborough.

This elaborate banquet hall in Queen Victoria's summer residence is an homage to Indian architecture, including miniature models of palaces in India.

One of Manchester’s museums has gathered and preserved British political paraphernalia covering over 200 years.

When the city of Manchester built a new centralized heating network, they did it with style.

A tiny, hidden alleyway dedicated to the father of meteorology.

An obscure walkway dedicated to a scientist who helped pave the way for the world to sit up and take notice of Manchester.

Once used to protect important Roman trade routes.