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

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

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

This London plaque marks the spot where David Bowie's famous alien made his debut.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

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

Artists and musicians now rule over this former rail station.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

The alleged birthplace of Lady Jane Grey, who was executed at age 16 for claiming the throne of England.

This bare, bronze lad in a lone sock sits in the middle of Loughborough’s town center.

What appears to be an ancient Roman temple is actually a Catholic church.

There's a labyrinth of manmade tunnels stretching for over an acre beneath Bristol.

A historic, reportedly haunted pub that provided inspiration for several famous adventure novels.

Banksy's image of a naked man dangling from the window of a sex health clinic.

A plaque claims this artwork outside a children's hospital was used in the 1998 Quidditch World Cup.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

Several land speed world records were shattered at this Welsh beach.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

A Neolithic tomb hidden among a spectacular boulder-strewn stretch of coast.

The remains of a small medieval chapel mark the legendary birthplace of the patron saint of Wales.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.