Behind one of the world's most impenetrable vaults is a massive collection of retail silver.

An unassuming London park is actually a pilgrimage site for modern clowns.

A statue of the original Pearly King is hidden in a church's crypt.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

This overlooked street light once served as a KGB dead letter box.

There's an exclusive Beefeaters pub hidden in the Tower of London.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

Dictionary Johnson’s favorite feline.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

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

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

A tongue-in-cheek arcade where the games are based on everyday life.

Explore nearly 400 years of English middle-class home life.

The childhood home of Earth's alien chameleon is a humble Brixton flat.

This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

Two plaques commemorate the site of Shakespeare's first theatre.

The cedar tree in Highgate Cemetery earned its title by accident.

Public access to clean drinking water was an instant hit among the masses.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.